The function C(x) = -5x+625 represents the cost to produce x items, what is the least number of items that can be produced so that the average cost is no more than $20?

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.