Wren bought a baseball card last year for 2.25 for 2.25. This year the price dropped to $.45. What was the percent of decrease in the price of the card. A. 120%. B. 500%. C. 80%. D. 400%

There are 10 students in a class: 6 boys and 4 girls. If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?

Which expression is equivalent to 10? 10 102 50 502

Suppose you have a coupon for 10% off and you use it to buy cd which was already discounted 15%. Do you end up a discount of 25%. Explain your answer need answer!

The diameter of a circle is 9 cm. What is the area of the circle? Use 3.14 for Pi

An unopened can of iced tea contains 350 cubic centimeters of liquid. if the can is 5 inches long and has a 0.8-inch diameter, which is the best estimate of the volume of iced tea contained in the top 3 inches of the can?

Write the algebraic expression to represent the product of four and k.

3. Which word in the sentence is a common noun? She read a book about Abraham Lincoln. A. Abraham Lincoln B. she C. read D. book

What is the ratio of 12

Which of the following is a complex number? A. - 7 B. 2 + square root of 3 C. 4+9i D. pi

North high school has 5,000 students. south high school has 1/10 as many students as North high school. how many students are there at South high school?