Answer:
C
Step-by-step explanation:
First use distribution
4(3x+y)= 12x+4y
and
-2(x-5y)= -2x+10y
combine the 2 answers
10x+14y
Answer:

Step-by-step explanation:
1 in = 190 ft
x in = 570 ft
We can use ratio and proportion to solve this problem.

The building will be
tall in the scale drawing.
4 because 2cups of 1/2 cups=1cup
2x2=4
Answer:
I feel that is would be D
Step-by-step explanation:
This is the most reasonable awnser.
Divide by 6

Square both sides

Simplify Left side using Trig identities: (Pythagorean, Double Angle)

Solve for x: