In △jkl, solve for x.
triangle jkl where angle k is a right angle. kl measures 34. jl measures x. angle j measures 27 degrees.
66.73
74.89
15.44
38.16

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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.