Select all expressions that must be equivalent to cos A. A sin xº
B sin y
C Cos yº
Dcos (90 – y)
Ecos (90 – 2)°
Fsin (90 – y)

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Polynomial that can be factored as (3x-4)(3x+4)

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"