Find real numbers a and b such that the equation a+bi=13+9i is true.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

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.

Write the equation in general quadratic form: plz !