What is the surface area of a cylinder that has a radius of 7 m and a height of 18 m? 879.65 m2
1099.56 m2
615.75 m2
395.84 m2

1099.56m² is the surface area of a cylinder that has a radius of 7 m and a height of 18 m.

10

step-by-step explanation:

7+3=10

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