State which method you would use to solve the following system of equations

substitution, elimination) and justify your reasoning. Then solve the system.

X-y=-2

2x + 4y = 38

Which method would you use?

Why?

Solve the system ...

What are the conditions for conducting a two - sample t-test?

Consider the following algorithm ... for. i is in {1, 2, 3, 4} do. beep. for j is in {1, 2, 3} do. beep. for k is in {1, 2, 3, 4} do. for l is in {1, 2, 3, 4, 5} do. beep. for m is in {1, 2, 3, 4, 5, 6} do. beep.

Which of the following is an example of a discrete variable? A. the speed of a bicycle B. the height of a potted plant C. the number of eggs in a carton D. the weight of a puppy

A fruit stand sells 8-ounce containers of blueberries for $4.00. If y represents the cost of x ounces of blueberries, which equation correctly models this proportional relationship

7a-5b+4 a=2, b=3 and c=-6

The county fair charges $1.25 per ticket for the rides. Jermaine bought 25 tickets for the rides and spent a total of $43.75 at the fair. Jermain sepnt his money only on ride tickets and fair admission.

Write3/16 as a percent

Two dimensonal shapes

Carpet salespeople at Cover Up Carpets do not earn a base salary. Instead, they receive a commission of 7.5% on all of their sales. How many dollars worth of Carpets will Max have to sell if he wants to bring home $600 a week? A. $900 B. $1,200 C.

The product of 25 and an unknown number is subtracted from 36. The result is - 114. What is the value of the unknown number?