Answer:
See below
Step-by-step explanation:
Grade is slope = rise / run
a) horizontal distance 1400 ft (run) vertical distance = 40 ft (rise)
40 / 1400 = 2.85%
b) rise / run = 805.58 / 13780 = 5.84%
Answer:

Step-by-step explanation:

1/2 = 3/6
1/3 = 2/6
3/6 + 2/6 = 5/6
5/6 < 1
1/2 and 2/3 are < 1
Answer:
4x + 4y - 8
Step-by-step explanation:
Parenthesis
Exponents
Multiply
Divide
Add
Subtract
Answer:
A = 53 degrees
B = 90 degrees
Step-by-step explanation:
Every Triangle has 180 degrees
B is 90 degrees because it has a 90 degrees symbol so we know that it is 90 degrees
C is already said as 37 degrees
90 + 37 = 127
So 180 - 127 = 53
Therefore A = 53
Hope this helped