False. A bisector divides the angle evenly, not into right angles.
First of all, you would use the FOIL method for -5(a + 3). This means to just multiply -5 to all of the values in the parenthesis. This would equal:
-5a -15 = -55
Then after, you would add 15 for both sides and get -5a = -40
Divide by -5 on both sides, you get a = 8.
Here is a visual representation: https://puu.sh/zPxLC/a16740d0ce.png
Just remember it's along the corridor and up the stairs so horizontal comes first
21 students; 3/4 ; Possible explanation: 75% corresponds to 21 students.
So, 21 students met their reading goal. The fraction 75/100 represents 75%.
Therefore, 75/100, or 3/4, of 28 students met their reading goal.
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