Answer:
the first one
Step-by-step explanation:
y=3x+2
2x+y=-4
becomes
3x+2=y
2x+4=-y
add them
5x+6=0
5x=-6
x=-5/6
take x and replace it for one equation
y=-8/5
291 cm³
Does the answer help you?
the volume of a hemisphere with a radius of 5 feet is 261.67 cubic feet.
(x+4)⋅(2x−7)
Combine the like terms.
n=-517
n+516=-1
subtract 516
