Solve the following systems of equations below 1.y=x+7, y=-1/2x+4
2.y=-1/5x-3,y=x+3
3. y=-1/2x+3,3x-2y=10
4. y=-x+5,2x-y=7
Determine if the following has no solutions, infinitely many solutions, or exactly one solution below.
1.6x+y=-5,30x+5y=-20
2. x+y=5, -5x-4y=-18
3. x+y=3, -x-y=-3

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gimmee one of those gold crowns!

~coco

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step-by-step explanation: vsfdvsfvd

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

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step-by-step explanation: