Write 3x3x3x3x3x3 as a power. Then find the value of the power. Helpp this is for a math test btww !

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"