I like to change all the subtraction to addition of the negative.
4x^2 + 8x + (-11x) + 6 + (-5x^2) + 2
Now combine the like terms.
-x^2 -3x + 8
Your answer is A: -x^2 - 3x + 8
<span>7-4x+2(5x+8)
plug x=-2
7
-4(-2)+2(5(-2)+8)
7+8+2(-10+8)
7+8+2(-2)
7+8-4
11</span>
Answer:
8)RS=18
9)XY=6
10)Angle T=50
11)UE=22
12)SU=38
15)BS=16
I am SOOOOO sorry that I didn't answer 13 and 14, I couldn't really figure them out. :(
Step-by-step explanation:
The answer is No.
Observed Frequency is the data you collect by observing a trial, while Experimental Probability is the ratio of the trials vs. the number of times something happens.