Someone pls as i'am not good at math

Find the solutions for a triangle with a =16, c =12, and b = 63º

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.