There are 7 students in a class: 5 boys and 2 girls. If the teacher picks a group of 3 at random what is the probability that everyone in the group is a boy?

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.