What is $9 ; 10 percent increase

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

17 in long 1.3 ft wide and 8in high what is the volume

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps