How can I tell if f (x) = 400 in f (x) = 4x-9 or if t (n) = 400 in t (n) = 4n-9?

The 3 in 3.62 stands for 3

You can buy 3 t-shirts for 24. Write a proportion that gives the cost c of buying 7 t-shirts.

A car travels at the rate of x miles per hour for y minutes. which of the following gives the number of miles the car has traveled? a) x/y b) xy c) 60x/y d) xy/60 e) 60xy

An office supply store sells cubicle containers that can be used to store paper clips, rubber bands and other supplies

Is area and radius the same thing

Clarence writes the number - 240 to represent the amount he owes his brother Joe. What numbers should Clarence use to represent the other amounts given above?

What is the sum of - 7 and its additive inverse?

Create a slope that will be parallel to the slope provided which is 5/9 what is the parallel slope?

A number x, rounded to 1 decimal place is 12.3 write down the error interval for x

A middle school took all of its 6th grade students on a field trip to see a ballet at a theatre that has 2000 seats. The students filled 90% of the seats in the theatre. How many 6th graders went on the trip?