Is the amount of tax collected proportional to the cost of an item after tax has been added?

Numbers 10,100 1,000 and so on are called

Sound travels about 750 miles per hour. If you stand in a parking lot near a building and a sound a horn, you will hear an echo. A. Suppouse it takes about 1/2 a secon to hear the echo. How far away is the building ^13?.

What is the answer to y+x=-2 and 5x-3y=22

Rickie played eight rounds of miniature golf in June and eight rounds of miniature golf in July. He recorded his score for each round. Rickie's mother asked him if his scores varied more in June or July.

What are the next two numbers in the pattern 8, 18, 38, 78

Suppose that 16 inches of wire costs 96 cents. at the same rate, how many inches of wire can be bought for 54 cents?

What would be the answer to t + 9 = 4

During a football game, a team lost 12 yards on the first play and then gained 5 yards on each of the next 3 plays.

Oranges were on sale 8 for $3. At that price how much would 3 dozen oranges cost.

A farmer has 100 m of fencing to enclose a rectangular pen. Which quadratic equation gives the area (A) of the pen, given its width (w) ? 1. A (w) = w2 - 50w 2. A (w) = w2 - 100w 3. A (w) = 50w - w2 4. A (w) = 100w - w2