peter takes an online quiz with 30 questions. He earns 2 points for every correct answer but loses 1 point for every incorrect answer. He answers all the questions. If 10 questions out of 30 are answered correctly, what is peter's final score?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?