Find the angle between the vectors. (first find an exact expression and then approximate to the nearest degree.) a = 5, - 1, 7, b = - 2, 4, 3

From a survey of 100 people we found that 62 drink pepsi, 36 drink coke and 30 drink both. How many drink only Coke? How many drink neither?

Solve the inequality x+1 > - 5 (7-2x)

Find two positive even consecutive integers is 132 such that the square of the smaller integer is 10 more than the larger integer.

Lashonda made $80 for 5 hours of work. At the same rate, how much would she make for 13 hours of work?

Without using a calculator, determine the number of real zeros of the function. F (x) = x^3+4x^2+x-6

Slope is - 2, and (4,3) is on the line

A particular personal trainer works primarily with track and field athletes. She believes that her clients run faster after going through her program for six weeks. How might she test that claim? Multiple Choice A hypothesis test for p1 - p2.

What is the slope of the line? 5 (y+2) = 4 (x-3)

Factor the expression. 9b^2-25

Given the equation p2 = a3, what is the orbital period, in days, for the planet venus? (venus is located 0.72 au from the sun?)