The trick is to divide the numeral by the out of number and Multiply it by 100 ie 6/28 multiplied by 100 = 21,43%
Answer:

Step-by-step explanation:

Remove the brackets and multiply the minus sign through all the numbers in the second polynomial

Rearrange in the highest order

Simplify

Answer:
6.4008
Step-by-step explanation:
The correct answer is: "(-1, -2)" .
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Note: By examining the point of intersection of the lines of the 2 graphs show in the "image attached", we can see that the point of intersection is at: "(-1, 2"); that is: "x = -1, y = 2" .
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4a-13=19 add 13 to both sides
4a=32 divide by 4 on both sides
a=8