How are 55:100 and 66:120 equivalent?

Which expressions are greater than 250?

In his free time, Gary spends 14 hours per week on the Internet and 12 hours per week playing video games.

What is the decimal expansion of the following fraction? 1/4 1.4 0.14 ___ 0.25 0.25

All the dimensions of a parallelogram were multiplied by the same factor. If the area of the parallelogram went from 3 square centimeters to 12 square centimeters, what were the dimensions of the parallelogram multiplied by?

Bob deposits $5,000 at the end of each year in an ordinary annuity paying 12% interest compounded annually. find the amount he will have on deposit after 8 years. Round to the nearest dollar a) $50,445 b) $61,498 c) 56,498 d) 73,878

What is the rule that describes this pattern of numbers? 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Jim spent $13 to park for 5 hours. The parking garage charges a base rate of $4 for the first two 2 hours, and then an hourly rate for each additional hour, h. The equation 3h + 4 = 13 models Jim's parking cost.

four fifths of senior class went to prom. if 324 seniors went to prom, how many are there in the senior class

Use the gcf and distrubutive property to express the sum as a product for 18+24

Edward surveyed his friends about whether or not they go to the movies and whether or not they go to professional soccer games. He reported the relative frequencies in the table.