if no denominator equals zero, which expression is equivalent to x + 2/x^2 - 16 ÷ 2x + 4/x^2 + 3x - 4?​

What is the solution to the equation 9^(x+1) =27

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles