Hi I have question so it say 7+8 = what than I put 15 but it say write the doubles fact you used to solve the problem. What they mean by that?

X ^3 + 3 = 57 Use the rules of equations and inverse operations to solve the equation. In your final answer, include all of your work

Find the smallest distinct positive numbers that provide a counterexample to show the statement is false. when any number is multiplied by 6 and the digits of the answer are added, the sum will be divisible by 6. The counterexample is ___.

A triangle in the coordinate plane has coordinates of (2,3), (-4,-5), and (-2, 4). It is reflected about the y-axis. What are its new coordinates?

Jessica started a holiday saving account with a $50 deposit. She added $25 per week for 7 weeks. What was her account balances at the end of the 7 weeks?

Solve y=a (x-25) ^2+32

Mary can make a costume twice as fast as Sam can. If they both work together, they can make it in 6 hours. How long will it take Mary to make the costume if she works alone?

An equiangular triangle is also known as: acute right. regular obtuse

Three friends each bought a different ipod nano music player the total for the three purcheses was $375 Thomas paid 30 more than Megan Ryan paid 15 less than Megan how much did each person pay

Trignometric ratios

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13