Which expression is equivilant to (x^2-3x) (4x^2+2x-9)

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Which value is not a solution of 8x^3 – 1 = 0

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.