Answer:
should be 30
Step-by-step explanation:
(-)+ makes - so 37-7
The boys have 2 group of 7 and the girls divided in to 3 groups of 7
Answer:
Step-by-step explanation:
1.

c+9=±8
either c=8-9=-1
c=-8-9=-17
so c=-1,-17
D
2.
8x^2-3=2
8x^2=5


so A
3.

so D
or
it would be 2 1/2 because 4 can go into ten twice, witch equals 8,then there are two left.
Answer:
x = 113
Step-by-step explanation:
Vertical angles are congruent. To the left of 113 would be 67 but x is not.