7n=30 what is the n

Solve the following system of equations: - 2x + y = 1 - 4x + y = - 1 a. (3, 1) b. (-1, 3) c. (-1, - 3) d. (1, 3)

LaTeX: / angle∠J and LaTeX: / angle∠K are supplementary angles. If mLaTeX: / angle∠K is 84LaTeX: ^/circ∘, what is the measure of LaTeX: / angle∠J? Group of answer choices

write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Comparing and ordering fractions for 9/10, 5/6 and 14/15

Evaluate. - 3x^3 - 4x for x - 1. a. 1 b. 7 c.-1

Albertson's found that the demand for Coke products varies inversely as the price of the product. When the price of a Coke product is $2.75, the weekly demand is 1250. Find the weekly demand if the price is raised to $4.00.

What is 4 pints into quarts

5/8 of a number is 40. What is the number?

What is the absolute value of 67? What is the absolute value of - 34? What is the absolute value of 16? and What is the absolute value of - 75

candace tells you that she bought new boots using a 20% coupon and saved $28. What was the original price of the boots? use a tape diagram.