Carlos is 8 years older than his sister Maria. Four years ago Maria was two thirds as old as Carlos. How old are they now

Use the linearization (1+x) ^k=1+kx to approximate 1.002^100

Which term gives the number of cycles of a periodic function that occur in one horizontal unit? vertical shift period frequency phase shift Mark this and return Save and Frit

What is the greatest common factor of x6 and x9

Determine what kind of solution you would expect from the system of equations 3x - 8y = 10 and 16x - 32y = 75 without graphing the system. Explain how you determined your answer.

Angle F has what measurement according to the protractor? A. 140° B. 60° C. 120° D. 40°

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