Not sure what to do here? Find the angle measure(s) given a trig ratio is angle A is between 0 o and 180o
a) cos A = -0.5877 b) tan A = 0.4663 c) sin A = 0.9172.

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.