Choose the function whose graph is given by
a. y = -cos x-3
b. y = cos x + 3
c. y = -sin x-3
d. y = sin x-3

Multiply. write your answer in simplest form. 3/8 x 5/7

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels