The petersons set aside $500 to donate to their favorite charities, the children's home,
the food bank, and the animal shelter. they gave twice as much to the food bank as
to the animal shelter. their donation to the children's home was $50 more than the
donation to the food bank. how much did each charity receive?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

How do you determine whether a relationship represented as as graph is linear or nonlinear