Factor x2 + 81 in the complex numbers.

A) (x - 9) (x - 9)

B) (x + 9) (x + 9)

C) (x + 9i) (x + 9i)

D) (x + 9i) (x - 9i)

4-1/x divided by 16-1/xsquared

Three friends got jobs at stores in the mall. Nina earns $117.60 for 14 hours of work. Ty earns $148.50 for 18 hours of work. Kim earns $137.60 for 16 hours of work. Who has the highest pay rate in dollars per hour?

A hot air balloon climbs, at a 30 degree angle to the ground, to a height of 800 feet. To the nearest tenth of a foot, what ground distance has the balloon traveled to reach 800 feet?

Adeline has a 12 ounce glass of water she drinks 2/3 of it how much does she drink

A fair six sided die is rolled once. What is the probability of rolling an odd number?

Linda worked 20 hours and earned $215. At this rate, how much would she earn if she worked 24 hours?

Explain the connection between factors of a polynomial, zeros of a polynomial function, and solutions of a polynomial equation.

Real life situations where you use/see positive 3 and negative 3. 6 examples

Evaluate the following expression when s = - 7. 21-3s

A cab ride from your home to the airport cost $23.47. If you want to tip the cab driver close to 10 percent of the fare, how much should you tip? $0.24