I WILL GIVE BRAINLIEST Which statement illustrates why cosine is an even function? 57 O cos(4) --cos(5 O cos( 4 ) = -cos(45) cos(-) = cos(8) O cos(-77) = cos ( 5T

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Factor the polynomial expression x6 – x3 – 20

Find the measure for the angle indicated in bold