Answer:
C
Step-by-step explanation:
The first one (0,7) tells you that when x isn't there, the amount of money is 7.
That means that the y intercept is 7.
When x = 1 the total is 15
Money saved = ax + 7
15 = a*1 + 7 Subtract 7
15-7 = a + 7-7
a = 8
The equation is f(x) = 8x + 7
Answer:
She should buy one that accords to her budget and her needs
The answer to your question is 17
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Answer:
293.4cm
Step-by-step explanation:
Perimeter = 2(L + W)
= 2(61.8 + 84.9)
= 2 x 146.7
= 293.4cm