Mathematics, 12.12.2020 16:10 jngonzo1226

1) Johnny has $15 to spend on songs and podcasts. He wants to download at least 5 items. Songs cost $1.99 each and podcasts cost $0.75 each. Represent the scenario as a system of inequalities. A. x+y≥5
1.99x+0.75y≤15

B. x+y≤5
1.99x+0.75y≥15

C. x+y≥15
1.99x+0.75y≤5

D. x+y≤15
1.99x+0.75y≥5

2) When solving the following system using elimination, which of the following will allow you to get opposites?

−4x+9y=9
x−3y=−6

A. Multiply the second equation by -3.

B. Multiply the second equation by -4.

C. Multiply the second equation by 3

D. Multiply the second equation by -1.

3) When solving the following system using elimination, which of the following will allow you to get opposites?

−4x−15y=−17
−x+5y=−13

A. Multiply the second equation by -4.

B. Multiply the second equation by 4.

C. Multiply the first equation by -4.

D. Multiply the first equation by -1.

Answers: 2

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1) Johnny has $15 to spend on songs and podcasts. He wants to download at least 5 items. Songs cost...