How do I solve the equation

4x-2y=-2

-4+4y=-24

using the elimination method

The length of a rectangle is stored in a double variable named length, the width in one named width. Write an expression whose value is the length of the diagonal of the rectangle.

What is (81m^6) ^1/2 simplified

5t=24.5 what does t represent

A helicopter is 19 meters above the top of a canyon wall. It goes down 27 meters, passing into the canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the canyon wall?

Write and solve the equation that represents the sentence below. The product of 18 and a number is 109.8. Which statements are correct? Check all that apply. It can be solved by using the division property of equality.

Charlie gathers apples, pears, and plums. The numbers of apples and plums are 10-partners. There are the same number of apples and pears. How many pieces of fruit can Charlie gather? How do you show the work?

What is the greatest common factor (gcf) of the numerator and denominator in the rational expression below? 7x+14/2x^2+x-6 a. - 6 b. 7 c. x+2 d. 2x-3

A parallelogram with an area of 160.5 in has the height of measures 7.5 in find the length of the base

Solve for y 2x + y = 7 6x + 9 = 9y - 2x

Shari rented a bike from Arjun's bikes. It cost 14 dollars plus 3 dollars per hour. If shawna paid 32 dollars then she rented the bike for how many hours?