Answer:y=7
Step-by-step explanation:x=2+7=8
Answer:
40 girls 20 boys i think / guess
Step-by-step explanation:
Answer:
B. Stratified random sample is the correct answer
Answer:
B. 54π
Step-by-step explanation:
Surface area of cylinder = 2πrh + 2πr²
Radius = 3 cm
Height = 6 cm
Plug in the values
Surface area of the cylinder = 2*π*3*6 + 2*π*3²
Surface area = 36π + 18π
Surface area = 54π