Nellie is in a hot air balloon that has just taken off and is floating above its launching point. Kevin is standing on the ground, 15 meters away from the launching point. If Nellie and Kevin are 17 meters apart, how high up is Nellie?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

What function has a range {yly< 5}? question on picture above^

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?