Write the phrase as an algebraic expression. A number less than eight and two thirds HELP ME

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b