A toll collector on a highway receives $4 for cars and $9 for buses. At the end of a 2 -hour period, she collected $188. How many cars and buses passed through the toll booth during that period? List all possible solutions.

How many different arrangements of 3 letters can be formed if the first letter must be w or k (repeats of letters are allowed) ?

Five percent of what number is 2.25?

Given the function f (x) = 10x + 4, find each of the following. f (8), f (-4), f (0) f (8) = ? f (-4) = ? f (0) = ?

In 1945, gasoline cost an average of $0.15/gal. By 2015, the average cost of gasoline had increased 1400%. What was the average cost of gas in 2015?

3. At the bank, Sheila made 6 deposits, each in the same amount. Her sister Sherri made 5 deposits, each in the same amount. Each of Sherri's deposits was $10 more than each deposit Sheila made. Both sisters deposited the same amount in the end.

Deanna ran a total of 9 3/4 miles over 3 days. She ran the same distance each day. How many miles did Deanna run each day?

Identify the variable expression that is not a polynomial:. a: x+12. b: 33. c: x^9+y^3. d: y^9+27

1/3+2/3+1/3 = how do I solve this problem

A quick-loan company charges an 18% fee on any loan that is paid up to one week late. A woman borrowed $400 and paid the loan back 3 days late. What is the total she has to pay, including any fee?

Renee has 7 one dollar bills, 1 five dollar bill, and 4 ten dollar bills. How much money does Renee have in all?