What multiplies to equal 12 and adds up to equal 13?

To collect data on the signal strengths in a neighborhood, Briana must drive from house to house and take readings. She has a graduate student, Henry, to assist her.

Use this system of equations to answer the questions that follow. 4x - 9y = 7 - 2x + 3y = 4 What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation?

Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?

Show other ways to write a/2 fraction

she can go 6 miles upstream in one and a half hours. going downstream, she goes 24 miles in the same time. determine the speed at which she kayaks and the speed of the river's current

How do I find the sum or product of93 + (68+7) ?

2 1/4 simplified with 1/4

Kiyo used wire fencing to from a border around a circlular region was 5yards, what was the total length of border, rounded to the nearest tenth of a yard

How many different values can an algebraic expression like 5 + (x+2) 2 have?

What is equivalent to 6 (-5q+1)