Out of the 50 students in Mrs. Green's class, 20 have a pet. What percent of the students in Mrs. Green's class have a pet?

40% off the regular price is the correct answer.

step-by-step explanation:

its a, i had the same answer, its from study island right

step-by-step explanation:

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

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d