What is a point-slope equation of the line with slope –13 that goes through the point (5, 7)?

a. y – 7 = –13(x – 5)
b. y – 5 = –13(x – 7)
c. y + 5 = –13(x + 7)
d. y + 7 = –13(x + 5)

What is the inverse of the function f(x) = 2x + 1?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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.