Answer:
The area is:
, option b.
Step-by-step explanation:
Rectangular area:
The area of a rectangular space is given bt the multiplication of its measures.
Area of the roof:
Dimensions of 10x + 8 and 8x + 6. So

Area of the skylight:
Dimensions of x + 5 and 3x + 4. So

What is the area of the remaining roof after the skylight is built?
Total subtracted by the skylight, which is a subtraction of a polynomial, in which we subtract the like terms. So

The area is:
, option b.
Answer:
D. 4 x -2 - 7/8
Step-by-step explanation:
4 x -2 7/8
2 7/8 can be separated into 2 pieces 2 +7/8
4x - (2+7/8)
Distribute the minus sign
4x - 2 -7/8
Answer: a^3 - b^3
Step-by-step explanation:
<span>s=1/2at^2
2s = at^2
t^2 = 2s/a
t = + square root (2s/a) and </span>t = - square root (2s/a)
or
+ square root (2sa)
t = ------------------------------
a
and
- square root (2sa)
t = ------------------------------
a
Answer:
900
Step-by-step explanation:
173 rounds to 200
421 rounds to 400
59 rounds to 100
230 rounds to 200
200+400+100+200=900