If a student gets 6 questions correct on a test and a grade of 69%, how many total questions are on the test if they are all equal?

This is different from the first one can someone me

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

X+y=-4 x-y=2 use elimination with adding and subtraction