In a group of 49 pupils, 13 play the flute only. 9 play the piano only.
14 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?

Solve the triangle. a = 21°, c = 105°, c = 5

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?