Sales tax is 7%. if c represents the retail cost of an item, which of the following expressions represent(s) the total cost of the item?
c - 0.07c
0.07c
c + 0.07c
1.07c
0.93c

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)