Which polynomials are in standard form?
Choose all answers that apply:
А. 5 - 2x
B. x^4- 8x^2- 16
C. 5x^3+4x^4-3x + 1
D. None of the above

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?