Use the quadratic formula to solve 4x^2 - 8x - 60 = 0

quadratic formula

multiple choice answers are in the picture

Perform the indicated operation. 8/a - 6/a + 7/a

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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.