A few more math problem

solve each system by elimination

1. 7x+y=10

-7x-10y=26

2. 4x-2y=-14

3x-2y=-14

3. 6x+2y=20

-3x+3y=-30

4. - 5x+4y=-3

-9x-4=-30

5. - 9x+6y=27

-x+3y=10

6. 5x+y=-12

5x-7y=4

For the given functions f and g find the composition:f (x) = x^2+6x-2 g (x) = x-6

Simplify this expression. If it is already simplified, then write it as it is. 2p - 2 - 9 - 9p

Choose the translation that best fits the expression: - 1 6 + 3x - 2y Negative one-sixth plus three times x minus the sum of 2 and y. Negative one-sixth times x minus 2 times y. The sum of negative one-sixth and three times x minus 2 times y.

2x + 5y = 10? I move the x divide by 5?

The scale drawing of a swimming pool measures 2 inches by 3 inches. on the drawing. 25 inches = 3 feet. what are the actual dimensions of the pool?

5/8=45 how much is the full total

What is x for the equation 180=3 * 3 (5*-18) ?

Evaluate 9x+3xy - 2 for x=3 and y=-3

DeMarco has the following coins in his pocket: 5 nickels, 3 dimes, and 2 quarters. What percent of one dollar does DeMarco have in nickels?

Solve the inequality. 8x + 9 < 4x - 3 A) x < 3 B) x < 3 2 C) x < - 3 D) x < - 3 2