If Mary is 16 years old, which is 4 times as old as her brother, how old is Mary?

How do you do range and domain

The price of a technology stock was $9.53 yesterday. Today, the price rose to $9.66. Find the percentage increase. Round your answer to the nearest tenth of a percent.

A framer collected 12 dozen eggs from her chicken she sold 5/6 of her egg at the framers market and gave the rest to her friend she sold each dozen for $4.50 how much did she earn from the eggs she sold

Complete the equation below by writing an equation equivalent to height h of a cylinder

How to solve 4n + 1 = + 10 = 4

Each week our school's team travels to other schools for competitions. Today the five members of the gymnastics team and seven weight lifters are on the way to our rival school for meet.

The Air conditioner unit in the classroom uses 120 volts. it requires 2000 watts of usage on the average, and it stays on for 8 hours every day.

3y+6y=9 how solve this

Sean spent $38 for shorts. This was $4 less than twice what he spent for a shirt. The equation 2x - 4 = 38 can be used to find the cost of the shirt (x). How much did Sean spend on the shirt?

Find the perimeter of the rectangle What is the area