What is the value of x? 10x-15=-5x-20

a - 1

b - 1/3

c 1/3

d 1

DuraBurn claims that the mean lifetime of its SuperGlo light bulbs is 904 hours. A researcher wants to perform a hypothesis test to determine whether the mean lifetime is actually less than this.

The population of New York City is 8 million people. Buddy is only one person living in New York. What is this number as a decimal?

What is the surface area of the figure? 7ft 7ft 12ft 12ft 5ft

Find the inverse function of f (x) = - 1/3x+2

Olivia drives her car at 60 miles per hour for t hours. ian drives his car at 50 miles per hour for (t+2) hours. write a simplified expression for the sum of the distance traveled by the two ca

What are Inequalities

Frank has two same size rectanles divided into the same number of equal parts. One rectangle has 3/4 of the parts shaded and the other has 1/3 of the parts. Is there more than one possible answer

What is the difference between the exponets 4x and x4

A right rectangular prism is shown. The base rectangle has side lengths of 10 centimeters and 3 centimeters. The height of the prism is 8 centimeters. What is the volume of the right rectangular prism? a 42 cm2 b 21 cm2 c 120 cm2 d 240 cm2

A basketball is thrown from the roof of a 50 foot building. It reaches a maximum height of 86 feet 1.5 seconds after the ball is thrown. Write a function representing the problem situation in vertex form, and standard form