Round to the nearest TENTH. (write only a number, nothing else) *
In the triangle shown, calculate cos A.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?