Solve the equation x^4-2x^3-2x^2-3x-18=0 over the set of complex numbers. Show all work please!

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi