Add
(7x^2-2x)+(4x-3)

a. 7x^2-6x+3
b. 28x^3-29x^2+6x
c. 7x^2+2x-3
d. 11x^2-5x

What is the length of the unknown leg in the right triangle ?

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.

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.