On a test with 25 problems, grace got 88% correct. how many promblems did grace get right.?

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Find the value of x for which the lines are parallel.

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9