Which expression is equivalent to 7(a+2) when a equals 6? 7(6)
9(6)
7(6)+2
7(6)+14

plz help ty

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Find the percent error of the measurement 4 cm