Solving system by elimination

7x+2y=24

8x+2y=30

Write a number whose digit in the tens place is ten times the digit in the ones place

A painter uses 2 over 3 gallon of paint on one job and 3 over 5 gallon of the same paint on another job. How many gallons of paint did the painter use for both jobs? A. 1/15 gallon B. 1 1/15 gallon C. 1 4/15 D. 1 1/3

0.611111111 ... repeating equals Q. 12/19 b. 11/18 c. 13/20 d. 10/17

How can you know if this equation is true? 1/2+3/8=4/10=2/5

Simplify (3x - 8) + (2x + 5) - (4x - 8).

Which choice represents the solution for x2 = 676? A) x = 16 B) x = 676 C) x = ± 16 D) x = ± 676

Find all zeros of the function and write the polynomial as a product of linear factors. f (x) = 3x4 + 4x3 + 13x2 + 16x + 4

Which sentence is the most accurate definition of an identity? An identity is an equation that is true for all real numbers. An identity is an equation that is true for all real values in its domain.

How do I simplify - 5 (3p+3) + 9 (-7+p)

Round each number to the place indicated. Draw a number line to support your decision. 1. 0.235; Round to the nearest tenth 2. 3.492; Round to the nearest hundredth 3. 8.0769; Round to the nearest thousandth