The temperature falls from 0 degrees to -12 1/4 degrees in 3 1/2 hours. which expression finds the change in temperature per hour?
a. -7/-2 divided by 49/4
b. -7/-2 times 49/4
c. -49/-4 times 7/2
d. -49/-4 divided by 7/2 need answer asap

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)