Joe is 20 years old. His sister is half his age less 7. How old is his sister?

I think the answer is 3 but I'm not sure

The ratio of lions to tigers at the Metropolitan Zoo is 12 to 8. Which ratio is equivalent to 12 to 8? A. 6 to 3 b. 8 to 12 c. 15 to 10 d. 24 to 18

Use the numbers listed to make the equations true 2, 6, and 5 _+_x=16

Simplifying Algebraic Expression -7h - 24/w uses w=6 and h = 2

What is 4 1/2 - 3 5/4 = but don't find the quotient I need an estimate?!

The perimeter of a square varies directly with the length of one side. what is an equation that relates the perimeter p and length l of the side

If a square plate has side lengths of 5 inches, what is the length of the diagonal to the nearest tenth of an inch?

3. Sarah's parents give her a $100.00 allowance at the beginning of each month. Sarah spends her allowance on comic books. The graph below represents the amount of money Sarah spent on comic books last month.

If x² + x² + x² = 6, what is x?

What fraction can be multiplied and equal 4/5

The grap of y = x is shifted 5 units up and 4 units to the left. What is the equation of the translated function?