What is the equation of the line that passes through the points (7, 0) and ( - 5, 4)?

Start by solving for the slope using y2-y1/x2-x1
4-0/-5-7
4/-12
Or -1/3
Y=MX+b
Y=-1/3x+b
Sub in one of the points for x and y to solve for b
4=-1/3(-5)+b
4=5/3+b
4-5/3=b
B=7/3
Therefore the equation is y=-1/3x+7/3
Hope this helps!

C. π(2ft)²(10ft) + 1/3π(2ft)²(13ft-10ft)

Step-by-step explanation:

Given:

diameter = 4ft

length of the cylindrical part = 10ft

entire length of the silo = 13ft

Find the volume of the silo = volume of cylinder and volume of the cone

Formulas:

Volume of cylinder: πr²h

Volume of come: 1/3πr²h

2ft= radius

height =10

volume π×2²×10

radius 2ft

height 13-10=3ft

Volume= 1/3×π×2²×3 cube feet

Therefore the third answer is correct: C. π(2ft)²(10ft) + 1/3π(2ft)²(13ft-10ft)