Ok smart math people, why does this work. u have 78 subtract your age add 40 and its year your born

Write the expression in simplest form (-11/2x+3) - 2 (-11/4x-5/2)

The circumference of a circle is 35 pi. What is the diameter?

At a school party there are 40 cookies. The ratio of chocolate cookies to oatmeal cookies is shown in the tape diagram. Chocolate: 5 Oatmeal: 3 How many oatmeal cookies were at the party?

Harper brought $45 to the bowling alley. She spent $25 on bowling and plans to spend the rest of the money playing arcade games. Each arcade game cost $0.25.

Parallelogram ABCD has vertex coordinates A (-4,4) B (-1,4) C (-2,2) and D (-5,2). It is reflected across the y-axis. what is the coordinates of B

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

At smith lake boat rentals it costs $25 per hour to rent a boat plus one time charge for cleaning. The bengal family rented a boat from 11 am - 6:30pm and paid $226.50. If the jones family rented a boat from 8am-1pm how much did they pay

2m-5=17 I need an step by step explanation

A triangular prism and a rectangular have the same lenghts, heights, and widths. Which prism has the greater volume?

If you buy 5 apples for $4.50, what is the unit price?