Solve the equation for a a/c = d/r

John is twice as old as his friend Peter. peter is 5 years older than Alice. In 5 years, John will be three time as old as Alice. How old is Peter now?

Given 2x² = - 8, x is a. - 2 b. 2 c. 2i or - 2i d. 4i or - 4i

Are the side lengths of the triangle in the example le a Pyhtagorean triple? Explain. Ex: A wire stretches from the top of a 20-foot pole to the ground. The wire is secured to the ground 15 feet from the base of the pole. How long is the wire?

Prove csc^4x-2csc^2x+1=cot^4x

Luis made a scale model of the light-house he visited this summer. The actual height of the light-house was 75 feet. His model stands 5 feet tall What scale factor did he use for his model?

How many ways can you write 5^8 as a quotient of two exponential term

Cual es el valor de la cifra numero 2

Five less than the product of 3 and a number of 40. Write in an equation

What is a comparison of numbers or variables that can be written in fraction form

The sum of two integers is 96. the larger is 27 less than twice the smaller. find the two integers