Solve using pencil and paper.

\displaystyle x + 5 = 9

Solve using pencil and paper.

\displaystyle f- 7 = 3

Solve using pencil and paper.

\displaystyle 3h = 15

Solve using pencil and paper.

\displaystyle \frac{k}{4} = 3

Solve using pencil and paper.

`$\displaystyle 2x + 5 = 11

Solve using pencil and paper.

\displaystyle 3y + 5= 11

Solve using pencil and paper.

\displaystyle 3y + 5= 1110 + 4f= - 34

Solve using pencil and paper.

\displaystyle -5m -3= 12

Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer.

\displaystyle 5x + 2= 12

Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer.

\displaystyle 3p + 8 = 5

Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer.

\displaystyle 4 + 6w =2

Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer.

\displaystyle -6 + 4u = -3

John has $23.65 to spend on a book and magazines. The book costs $5.95. The magazines cost $2.95 each.

a) Write an equation that models the number of magazines that John can afford.

b) Solve the equation.

Solve using pencil and paper.

Solve using pencil and paper.

Solve using pencil and paper.

Solve using pencil and paper.

Solve using pencil and paper.

2a+5=6a+9

Solve using pencil and paper.

3b-7=b+5

Solve using pencil and paper.

5n+8=8n-10

Solve using pencil and paper.

-7d+3=-3d+11

Find the root of each equation using pencil and paper. Check each root.

The power, P, in an electric circuit is related to the voltage, V, and resistance

R, by the formula \displaystyle P = \frac{V^2}{R} .

a) Find the power, in watts (W), when the voltage is 100 V (volts) and the resistance is 50 \Omega (ohms).

b) What is the resistance of a circuit that uses 100 W of power with a voltage of20 V?

c) The resistance of a circuit is 15 \Omega. The same circuit uses 60 W of power. Find the voltage in the circuit.

The total of three cousins’ ages is 48. Suresh is half as old as Hakima and 4 years older than Saad. How old are the cousins?

Aria sells T-shirts at a rock concert. She earns $8.00/h, plus $0.50 for each T-shirt she sells.

a) How much will Aria earn in a4h shift if she sells 35 T-shirts?

b) How many T-shirts must Adila sell to earn $80 in a 6-h shift?

Ramesh sells hot dogs at a ball game. He earns $8.50/h, plus $0.35 for each hotdog he sells.

a) How much will Ramesh earn in a 4—h shift if he sells 52 hot dogs?

b) How many hot dogs must Ramesh sell to earn $103 in an 8-h shift?

c) How many hot dogs must Ramesh sell to earn $79 in a 6-h shift?