Which of the following would best represent a cosine function with an amplitude of 2, a period of pi over 3, and a midline at y = 1?

f (x) = cos (x - pi over 3) + 2

f (x) = 2 cos (x - pi over 3) + 1

f (x) = - 2 cos 6x + 1

f (x) = - cos 6x + 2

If each edge of a cube is 3 inches, what is the volume of the cube

Which shows 422 - 382 being evaluated using the difference of perfect squares method? 422 - 382 = (1,764 - 1,444) (1,764 + 1,444) = 1,026,560 422 - 382 = 84 - 76 = 8 422 - 382 = (42 - 38) 2 = (4) 2 = 16 422 - 382 = (42 + 38) (42 - 38) = (80) (4) =

Bri bakes 14pies. Ricki bakes9pies. How many more pies did Bri bake than Ricki?

A large die with sides measuring 3 metres is to be placed in front of the casino at Crown. The die is placed on one of its vertices with the opposite vertex directly above it. a. 3√2m b. 5√2m c. 2√2m d. 13√7m e. none of these

By decreasing each dimension by 1 unit, the area of a rectangle decreased from 30 square feet to 18 square feet. Find the percent decrease in area

Natasha is measuring the angles of a triangle. She measures the first two angles and gets 60° and 80°. What should be the measure of the third angle? A) 10° B) 20° C) 40° D) 220°

Russel and Aaron can build a shed in 8 hours when working together. Aaron works three times as fast as Russel. How long would it take Russel to build the shed if he were to work alone?

The sum of twice a number and 9 is 43

Two thirds of the product of 38 and 16

An angle cuts off 1/8 of the circle. What is the measure of this angle?