XD no sé que decir E=mc2 lo siento.
Answer:
only the first two i am pretty sure thw other ones make any sense
Step-by-step explanation:
Use the distributive property.
1/7(105 + r) = 20
15 + (1/7)r = 20
Then subtract each side of the equation by 15.
15 + (1/7)r = 20
(1/7)r = 5
Divide both sides by 1/7.
(1/7)r = 5
r = 35
So, the answer to this question is r is equal to 35.
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Answer:
The "check your answer" probably means check your answer by graphing.
Step-by-step explanation:
