Heather finished a race in 58.4 seconds, which was 2.6 seconds less than her practice time. write and solve an equation to find heather's practice time. show that your answer is reasonable.

For the function, f(x) = -5x 2, find f(-4).

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300