There shouldn't be a negative in front of one of the equations.
Answer:
positive 3
Step-by-step explanation:
-8 + 11 is 3. the other way you can think of it is by subtracting 8 from 11.
A.) average wages paid to men and women over 5 years
Answer:
C. S.A. = 340.8
Step-by-step explanation:
Area of rectangles = 6x 12 = 72
all three have the same area - 72 x 3 = 216
Area of triangle = 10.4 x 12 ÷ 2
Since there are 2 trignles - 10.4 x 12 = 124.8
Add all sides up
S.A. = 216 + 124.8
S.A. = 340.8