How many different committees can be formed from 7 people if each committee must consist of at least 3 people?

Astore sells 4 apples for $3 and 3 oranges for $4 if pete buys 12 apples and 12 oranges how much will it cost

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it

Sofia wants to buy a new bike that costs $214 sofia her grandmother with chores each week for $18 estimate to find which layaway plan sofia shoud choose and why