The sum of two numbers is - 21. One number is 55 less than the other. Find the numbers.

Cole's age is 3 years less than his sister Tina's age, t. If Cole is 18, which equation represents this situation, and how old is Tina?

Write a real-world problem and equation with the solution of 6 1/2

You are 9 miles away from home. You start biking home at a speed of 6 mph. Right in equation in standard form that represents your distance from home after X ours.

Is 3,564 a prime number

You can buy 56 diapers at babies - R-Us for $28, and you can buy 112 diapers online for &52. Whick is the better deal, and how much will you save per diaper?

Five friends are equally sharing three packs of football cards how much of a pack will each friend get

Hunter wants to draw an obtuse equilateral triangle, but hes's having trouble drawing it. Is sush a triangle possible to draw? Explain your reasoning.

Naylas is selling candy for school the amount of money she needs to depend on this is represented by equation y = 100 - 5x what does 100 represent (multiple choice) A. price of candy. B. amount she hopes to raise C. number of bags sold. D.

Out of 100 what numbers are prime and composite

10+2 (47-40) ^2-50:2=?