Answer:
D.
Step-by-step explanation:
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1700(1.01)^t*4
you don't want just the interest so you add a 1 to the percentage when you put it into the equation
I believe if that says three minus four times three minus five or three plus negative four times three plus negative five (same thing) then the answers should be positive two (2.)
Point c.
You can graph the two points in a calculator to find out the answer OR you can identify the lines using the y-intercept aka b in the y=mx+b format.
Y=x - 3 has a y-intercept of -3, so look for the line where it goes through -3 on the y axis. (do the same for the other except when the y-intercept is 1)
From this, you can identify the lines and just find where they intersect.
Jack is 18 years old
First divide 100 by 5 and you get 20, right? 20 is 2 years older than Jack is. So subtract 2 from 20 years and you get 18 years, Jack's age.