Which of the following expressions is a fourth root of unity?

a.) - 1

b.) i

c.) - i

d.) all of the above

Order the decimals 0.3 0.29 0.33 0.01

How much would a school save by using company A instead of company c to serve 800 students

Standard deviation of 2,4,7,12,15

The length of a rectangle is 9 centimeters more than the width. the area is 112 square centimeters. find the length and width of the rectangle

In a 2012 city election 33% of the eligible voters voted if there were 2500 eligible voters approximately how many people voted round your answer to the nearest whole number

Determine the values of a, b, and c for the quadratic equation: 4x^2 - 8x = 3

What value of c makes the equation true? -3-3/4 (c-4) = 5/4 btw 3/4 and 5/4 are fractions

What percent of 46 is 115

Solve V = 1/3πr2h for h.

Write y=2/3+1 in standard form (the 2/3 is a fraction!)