Could someone help me out? Select the letter of the correct answer.

Suppose a 56-year-Aid teacher gets tech support from her student. If the teacher is four times the age of her student, how old is the student?

A 11 years old

B 9 years old

C 15 years old

D 14 years old

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?