Which sentence can represent the inequality n/4.2 < _ 21
a. the quotient of a number and 4.2 is less than or equal to 21.
b. the quotient of a number and 4.2 is less than 21.
c. the quotient of 4.2 and a number is less than or equal to 21.
d. the quotient of 4.2 and a number is less than 21.

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2