Answer: 
Step-by-step explanation:

Plug in your values.

Square 1ft.

Plug this into a calculator or do it manually.

<h3>
Answer: B. 40</h3>
For any triangle, the three angles always add to 180
(y+10)+(2y)+(50) = 180
3y+60 = 180 ... combine like terms
3y+60-60 = 180-60 ... subtract 60 from both sides
3y = 120
3y/3 = 120/3 .... divide both sides by 3
y = 40
Answer:
$195.80
Step-by-step explanation:
44.50 x 4 = 178
178 x 10 = 17.80
178 + 17.80 = $195.80
Answer: y=3x-4
Step-by-step explanation: Use the slope formula and slope-intercept form y=mx+b to find the equation.
Hope this helps you out! ☺