If v1 = (-2,5) and v2 = (4,-3), then the angle between the two vectors is . Round your answer to two decimal places.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

5cakes cost 3.50 how much do 7 cakes cost

In a recent year, the weather was partly cloudy 2/5 of the days. assuming there are 356 days in a year, how many days were partly cloudy?