The contestants total number of points is 20.
30 + 15 = 45
45 - 25 = 20 total points
Answer:
x=11
Step-by-step explanation:
For extra help the second answer is: 7a(3-a)
A^2 + 31 = 155 - I squared each of b and c for those numbers
a^2 = 155 - 31
a^2 = 124
a = 4 * sqrt(31)
Answer:
maybe....
Step-by-step explanation:
