Answer:
15
Step-by-step explanation:
The given equation is


When we multiply we obtain the equations:


We add both equations to obtain:

Divide both sides by -7 to get:

Answer:
19 lawns
Step-by-step explanation:
well 64.99 is about $65
so you would need to mow atleast 19 lawns (this does not included tax XD)
Expand the EXPRESSION
9x^2+216x+1296
<h3>
Answer: 5 cakes</h3>
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Explanation:
Let's start off converting the mixed number 12 & 1/4 to an improper fraction.

Do the same for the other mixed number 2 & 1/3.

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From here, we divide the two fractions. I converted them to improper fractions to make the division process easier.

The last step is to convert that result to a mixed number.

Note that 21/4 = 5.25 and 1/4 = 0.25 to help check the answer.
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Therefore, she can make 5 cakes. The fractional portion 1/4 is ignored since we're only considering whole cakes rather than partial ones.
Answer:
the y-intercept is 7
Step-by-step explanation:
y=mx+b
m=slope
b= y-intercept