Line has the equation y = 1 2 x. Find the equation of the image of after a dilation with a scale factor of 2, centered at the origin.
A) y = 1/4 x B) y = 1/2 x C) y = x D) y = 2x

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.