Which polynomials are in standard form? A. 10 - n
B. 5n+3n^3-1
C. n + 4n^2 = 7n^3
D. None of the above

How many $20 bills do you need to have to make $280

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x