Mary wanted to add to her collection of model planes and trains. She wanted to add 5 model planes which cost $19 each and 3 mode
l trains which cost $199 each. Which of the following is a good estimate of how much money Mary spent?
2 answers:
What are the options? But I think a good estimate is $700.
Spent = 5(19) + 3(199)
= 95 + 597
Mary spent $692
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Answer:
no estoy segura como se debe responder
1 (x + 2y = -20) ----> x*2y= -20
-1 (x + 3y = -27) ----> x-3y= 27
(0) x + (-1) y = 7
y=3(x-6)^2+12
y=3x-18^2+12
y=3x-324+12
y=3x-336
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hope it helps
sorry if it doesn't
Answer:
A is corresponding angles are equal
Step-by-step explanation:
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