An inspector found that 4 out of 116 parts were defective. what percent of the parts were defective?
a. 3.45%
b. 29%
c. 26.1%
d. 3.03%

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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).

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio