Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Select three options
u 6 feet by 2 feet by 3 feet
l 6 feet by 5 feet by 4 feet
u 7 feet by 6 feet by 4 feet
U 8 feet by 3 feet by 7 feet
8 feet by 4 feet by 3 feet

where is the triangle?

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2