Answer:
the equation is 10x+50=120
the rate of change is 10x (time)
the initial value is 50
the total value is 50
he will need to save for 7 weeks
Step-by-step explanation:
This is an example of the
difference of squares.

So to find the product of <span>(9y</span>²<span> – 4x)(9y</span>²<span> + 4x), we use the formula for the difference of squares.
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Rational numbers are numbers that can be written as the fraction of two integers. To multiply rational numbers together, simply the problem, then you multiply the tops and the bottoms separately to get your answer.
Distribute -3 to the rest of the numbers by multiplying them together. That’s all you need to do you don’t have to solve
It’s choice A! :) y= -x - 6