The sales tax for an item was $40.50 and it cost $450 before tax. Find the sales tax rate. Write your answer as a percentage.

For 30 persons or fewer $10 per person. For every additional person $9 per person. Irene paid the company $390 for her department event. How many people did she cater for?

If Santa was to deliver to every person in the world, 7.6 billion people. Making 822.6 deliveries per second, traveling 650 miles per hour.

The null and alternate hypotheses are: H0: μ1 ≤ μ2 H1: μ1 > μ2 A random sample of 29 items from the first population showed a mean of 112 and a standard deviation of 9.

How are the substitution and elimination methods of solving a system of equations similar

Two fractions between 2 and 3

Identify the population being studied. The heights of 5 out of the 38 green bean plants at Mr. Lonardo's greenhouse. a. The 5 green bean plants at Mr. Lonardo's greenhouse. b. All green bean plants in greenhouses. c. All green bean plants at Mr.

Round off 8,489,600 to the nearest thousand.

The speed of a passenger train is 18 mph faster than the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 180 mph. What is the speed of the passenger train?

You served food to a group at a restaurant. The total cost of the food was $42.00. The sales tax is 8% of the cost of food. The group asked you to add 20% of the original cost of food for a tip. What was the total cost for the group?

Translate to an algebraic expression. 28 more than D d - 28 28 = d 28 - d d+28