2 angles are complementary. One of the angles is 30 degrees. The other has a label of 5n + 20. What would "n" have to be?

Find the sales tax cor three CDs, if each CD is $14.29 and sales tax is 7.25%

What is 5% of 3720.68

A scalene triangle and a right triangle are always congruent true or false

There are 26 students in a class. Which of the following could be the ratio of boys to girls in this class? a) 1:12 b) 2:3 c) 3:5 d) 5:9 e) 7:1

Infiniti sells 8 different models of cars, with 5 different trim levels and 5 color choices. What is the total amount of options one could choose?

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