How do you solve sarah is twice as old as her youngest brother. if the difference between their ages is 15 years. how old is her youngest brother?

A 50 kg person is standing on a bathroom scale in an elevator moving upward. a.) if the scale reads 56 kg, what is the magnitude of upward acceleration of the elevator (m/s^2) ? b.) Now the elevator is traveling up while slowing down.

What is 2 3/5 minus 1 3/8 estimate the answer.

Combine like terms 3m-6+m2-5m+1

How to find the solution to an f (x) = g (x) equation

Descirbe One way to use a line plot

48 tiles for each of 8 rows. Each row has 6 white tiles. the rest are purple. how many tiles are purple?

A train travels 86 kilometers in 2 hours, and then 89 kilometers in 5 hours. What is its average speed?

5 divided by the sum of a number and 3

An employee worked 175.25 hours in january, 162 hours in february, 158 hours in march and 175 hours in april, what is the average number of hours he worked each month?

What is the value of the y variable in the solution to the following system of equations?. 3x - 6y = 3 7x - 5y = - 11 What is the value of the x variable in the solution to the following system of equations?.