Answer:
No,
12.8 = 12.800
Obviously, 12.800 <u>< </u>12.815.
D is not in correct scientific notation. To be correct, the answer would be 5.0 x 10^2
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Answer:
There are no like terms to therefore the answer is -4x+5y+6z
21 because a triangle is always going to equal 180 so add those then subtract and it’s 21
For eliminating you need to have a variable that cancels the other out and in this case 2x and -2x do. Then you want to take -3y+9y and add the numbers after the equal sign. -9+3
