Answer:
Option 3,4,5 are correct.
Step-by-step explanation:
The system of equations are:

Multiply equation (2) with -3 and add with equation (1)

Value of y is 3
Putting value of y in eq(2)

Value of x is -2
So, Option 3,4,5 are correct.
Keywords: System of Equations
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Answer:
7,7
Step-by-step explanation:
A vertex should be connected, so 7 as the x makes the most sense
Answer:
$1700
Step-by-step explanation:
The compound interest formula gives the total value of the investment after a certain duration considering the rate of interest.
To fins the amount of interest gained, we deduct the initial value of investment from the total compound amount.
Interest=A-P
Where P is principal amount of investment and A is the final value of money.
Substituting $13200 for A and $11500 for P then
I=13200-11500=$1700
Therefore, interest amount is equivalent to $1700
Answer:
x = 25
Step-by-step explanation:
This is a similar triangle problem
Therefor two sides of triangle A are in the same proportion as two sides of triangle B
----------------------------
Triangle A
Short leg = x
Long leg = 60
proportion = x/60
Triangle B
Short Leg = 60
Long leg = 144
proportion = 60/144
Therefor
x/60 = 60/144
multiply both sidees by 60
x = 60*60/144
x = 25