Solve the following system of equations by substitution and select the correct answer below:

2x - 4y = 24

4x - 12y = 36

x = 18, y = 3

x = 18, y = - 3

x = - 18, y = 3

x = - 18, y = - 3

Which expression is equivalent to the given expression? 2 (3a+2b-7) A 5a+4b-5 B 6a+2b-7 C 6a+4b-7 D 6a+4b-14

Which statement about the Golden Age of Islam is a fact rather than an opinion? A. Islamic art was more abstract than Greek art. B. Muslims were the best early mathematicians. C. Islamic society preserved Greek and Roman culture. D.

Which expression is a quadratic binomial? A. x^2-9x B. 7x^2 C. 2x^4+9x^2-6x-1 D. 3x^4-2^x

The scatterplot that represents the monthly values of stock ABC can be approximated by a line with a positive slope. What type of correlation does this represent? O A. Negative correlation O B. No correlation O c. Positive correlation

Write a word problem that involves combined rectangles. Include a diagram and the solution.

Each box of detergent will wash 18 loads of clothes the detergent cost 3.96 how much per load

Sam bought shoes for $36.94 and x pairs of socks for $1.92 each. Which expression shows the total money spent? 36.94x + 1.92 36.94x + 1.92x 36.94 + 1.92x 36.94 + 1.92 + x

Susie bought 434 pounds of cherries at the store. She ate 58 of a pound on the way home. How many pounds of cherries does Susie have left? Express your answer in simplest form.

The fires in yellowstone national park in 1988 burned 739,000 acres. the park has 2.2 million acres total. what percentage of the park burned?

An insufficient funds check was returned to your company. How does the bank treat this on your bank statement