Factor the expression below x^2 - 81

A. (x + 9) (x - 9)

B. (x - 9) (x - 9)

C. (x + 27) (x - 3)

D. (x - 27) (x - 3)

In the equation y = - 2x, if x is doubled, what happens to y? stays the same doubles quadruples unknown, since a value for x is not given

What did the Scout say after fixing the little old ladies bicycle horn

The Davis family drove 937 miles in 9.5 hours. What was their average rate of speed?

Approximate & simplify 24:84

If 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day. What type of reasoning is this? is it A. inductive or B. deductive ?

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)

When looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x plus five all divided by the quantity x minus three times the quantity x plus two times the quantity x minus 5, Charles

recently 5/8 of the items sold at Debbies Sporting Good were baseball caps. at Sasha Sports 7/10 of the items sold were baseball caps which store sold a greater fraction of baseball caps?

You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure the angle of elevation to be 40°. How high is the tower to the nearest foot

A helicopter leaves central airport and flies north at 180 mi/hr. Twenty minutes later a plane leaves the airport and follows the helicopter at 330mi/hr. How long does it take the plane to overtake the helicopter