The answer is 8 because I have had that question before so yeah
Answer:
If he scored x points in the first half, then x + p = 31
7. X2=25
X=5, x=—5
8. (X—3)2=49
X=10, x=—4
9. X2+3x—28.
X=4, x=—7.
10. 5x2–8=3x.
X=8/5, x=—1
Answer:
1. ?=100 2.?=70
Step-by-step explanation:
1. for the inner arch, you just have to multiply by 2 so 50x2
2. to find the inner arch from the outer arch, you have to divide by two so 140/2