Which equation represents a line which is parallel to the y-axis? a. y=x-4
b. y=x
c. y=-3
d. x=-8

Which graph represents the solution of the inequality?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days