D(5, 7), e(4, 3), and f(8, 2) form the vertices of a triangle. what is m∠def?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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.

Choose the more precise measurement. 26.4 cm or 8.39 cm