Answer:
B.) They are on opposite sides of zero on the number line.
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You can set them equal to eachother
x+1=3x-19
solve for X
-3x both sides
-2x+1=-19
-1 both sides
-2x=-20
÷-2 both sides
x=10
y=10+1
y=11
The perimeter is just the sum of all of the side lengths.
p=3x+4+x-10+5x-2
p=9x-8
<span>David invested $1000. Let's solve for the amount of money to grow to the 18 months at 5.5% interest rate?
Let's assume that this 5.5% interest is per month.
=> 1 000 dollars * 0.055 = 55 dollars per month
=> 55 * 18 months = 990 dollars in 18 months.</span>
