Tori had $20to buy a birthday present for her dad. She decided to buy a DVD for $18. The sales tax is 7%. Does she have enough money, explain your reasoning.

If 10^x=10^y, what is true about x and y?

One positive number is 5 times another number. The difference between the two numbers is 1544, find the numbers

The butler, the maid, or the cook stole the gold. The butler said the maid took it. The maid said the butler is telling the truth. The cook said he did not take it. At least one of the three told the truth and at least one told a lie.

A business owner buys lunch for employees once every month. The owner has bought lunch for 18 employees for the last three months and the total costs are shown First month: $147.98 Second month: $152.17 Third month: $165.

If f (x) = 3x3-x2+5 whats f (-7)

The value of the expression 6+5 (3) / 4-10is

Drive-in movies were popular in the 1930s and 1940s. In 1933, there were 100 drive-in theater in the U. S by 1945 there were 2200. What was the percent of increase from 1933 to 1945?

the singer made $54 for a 3 hour job on friday night and $60 for a 4 hour job on Saturday. which job paid better per hour? how much better?

What is the fraction to 12.09

Write the ratio in simplest form. the hockey team played 82 regular season games last year. If they won 44 games, what is the ratio of wins to losses?