Acircle has a circumference of 1(pi) what is the diameter of circle?

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.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

X+ y = 5 ; x - y =3 solve using linear combination