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In which of the following systems can elimination
be used to eliminate a variable by performing
addition only?
O 2x - y = 8
x - 2y = 9
2x - y = 8
x – 2y = 9
2x - 4y = -2
| 5x - 2y = -2
o 2x + y = 8
3x - y = 4
O
O
O

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

What is the y-intercept of the line given by the equation

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?