Lesly took a test with 30 questions. The ratio of correct answers to incorrect answers for Lesly was 7 to 8. How many answers did she get correct?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?