Which of the following expressions uses the complementary angle of 60° to determine how far you would travel on your trip west? a.
0.5cos30°
b.
0.5cos60°
c.
0.5sin30°
d.
0.5sin60°

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?