Which method would be the easiest way to solve the system

7x+5y=19

-7x-2y=-16

graphing

substitution

elimination

distributive

Demarco wrote two correct variable expressions to represent the phrase "the product of a number and 7." Which of these variable expressions could Demarco have written? Choose exactly two answers that are correct. Question 1 options: a. n x 7 b. 7n c.

Is 12 + 2 (8-4) numerical

3.5.1 If the measures of two angles of a triangle are 94and 22what is the measure of the third angle?

Find the x intercept of the line: 5x-y=10 1. (0,2) 2. (5,10) 3. (5,-1) 4. (2,0)

Find the value of x. (5x+15) (6x-10)

Gabe tried to use the law of cosines to find an unknown angle measure in a triangle. His work is shown. What is Gabe's error?

Ronald and Tim both did their laundry today. Ronald does laundry every 6 days and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day again?

Function f is an exponential function. x - 2 0 2 4 6 f (x) 1/64 1/16 1/4 1 4 By what factor does the output value increase as each input value increases by 1?

Each side of a square is increased 7 inches. when this happens, the area is multiplied by 4. how many inches in the side of the original square?

Fred's dog groomer charges $25 to give his dog a haircut. The groomer is increasing the price for a haircut by 35%. What will Fred pay the groomer the next time his dog has a haircut?