Which shape must have opposite sides that are parallel and congruent, and diagonals that are perpendicular

88,999 rounded to the nearest ten thousand

When drawn on a circle, the angle 472° is drawn in the same position as

Gregory has scored 91, 76, and 84 on the first three exams in his math class. If the standard 70,80,90 scale is used for grades of C, B, and A, and the exams are equally weighted, what is the minimum he can score on the final exam in order to: a)

Is 6/15 equivalent to 2/3

Peter brought 8 sets of paint. He gives half of his sets to his sister. Each set has 5 bottles. How many bottles does Peter's sister have? Write equations and solve.

25/7 as a mixed number

2x+4=xg solve for x How do you solve this literal equation for x?

What number is 10 more than 237

What are four consecutive integers with the sum of 318

10+10+10=30 5+5+10=20 4+4+5=13 5+5*2=