Write two equations in standard form that are equivalent to the given equation.

1.5x+10y=15

2.-9x-12y=6

3.-2x+4y=-5

Simplify the expression 7x+3y-4x+2y

How to corresponding decimal, fraction, or percent

A burro is standing near a cactus. The burro is 58 in. tall. His shadow is 4 ft long. The shadow of the cactus is 8 ft long. What's the height of the cactus?

Whatis the slope of the line whose equation is 2x - 4y=10?

What is 10 divided by 3

Order the decimals from least to greatest 7.508,5.2161,7.5,7.58

The Freedom Trail is 2 1/2 miles long. Ana walked 5/8 mile from Boston Common to the Paul Revere House. Then, she walked 3/8 mile from the Paul Revere House to Copp's Hill Burying Ground.

Alexandra has 36 coins valued at $6.00. She has only nickels and quarters. Which equation can be used to solve for the number of nickels, n?

Find the 9th term of geometric sequence 7,14,28, ...

Solve the equation log6 (13 - x) = 1.