Find the value of a if 2x3+x2+a has a remainder -9 when divided by x+2?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.