Answer:
57
Step-by-step explanation:
(62+5-3)+(2-9)
(67-3)+(-7)
64-7
= 57
a.
b.
39;45
students on the floor;total students
I believe the answer is 6
69
cause it is
(1, 5)
x is 1 to the right
y is 5 up
Therefor
