Answer:
b.
42+x+90+8=180° linear pair
x=180-140=40°
<em>x=40°</em>
c.
10+x+90+3x=180 linear pair
4x=180-100
x=80/4=20
<em><u>x=20</u></em>°
Answer:
570
Step-by-step explanation:
<span>Thus, simply compute the probabilities for 4,5,6,7 as well, and then add. Alternatively, you can compute the probabilities for 0,1,2 correct answers, and subtract the total from 1, giving the same result. </span>
8y-6( add the variables together then add 8 to negative 14