Ineed 18,19,& 20•ignore my writing

Part 18) Option D 100 square meters

Part 19) Option A 60 cubic meters

Part 19) Option C. 212 cubic centimeters

Step-by-step explanation:

Part 18) Estimate the surface area of the prism

we know that

The surface area of the prism is equal to

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

Find the area of the base B

Find the perimeter of the base P

we have

substitute

----> exact value

Estimate the surface area

we have

----> round up

----> round down

Estimate the area of the base B

Estimate the perimeter of the base P

substitute in the formula

Part 19) Estimate the volume of the prism

The volume of the prism is equal to

we have

substitute

----> exact value

Estimate the volume

we have

----> round up

----> round down

Estimate the area of the base B

substitute in the formula

Part 20) The volume of the prism is equal to

we have

substitute

----> exact value

Estimate the volume

we have

----> round up

----> round down

Estimate the area of the base B

substitute in the formula

step-by-step explanation:

milk=16 large

soda=280 kids

juice box=82 regular

63 soda +63 regular

124 large total

21

step-by-step explanation: