Help!! Find the area of the shaded region. Round to the nearest hundredth where
necessary. Show work

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?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Solve the equation.then check your solution 8=1.88+a