7/18 of the students made the track team. 9/18 made the volly ball team. (No one made both teams.) What fractional part of the students are on those team? (there are 35 people in the class)

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³