Eighteen friends are going to the beach. If each car holds 5 people, how many cars need to be driven to the beach in order for all of the friends to have a ride?

4

Step-by-step explanation:

4 because each holds 5 people. If there were 3 cars, only 15 people would be able to go. There will be two extra spaces in the car.

i don't know

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a