How do we find the radius of a quarter circle?

Multiply or divide as indicated. Simplify your answer, if possible. x^-8/x^5

What is the total number of digits used for the numbering of 1,200 pages?

What is the sum of the first 28 terms of this arithmetic sequence? 69,75,81,87,93,99

Counting numbers are to be formed using only the digits 1, 8, 3, 5, 4, 9. Determine the number of different possibilities for two-digit numbers.

Savings account deposit:$1,400rate:5%per year time:3 years

You can build a dog house in 6 hours. And you work 8 hours how long would it take you to build 10 dog house.

Anthony bought six pounds of fish for $13.80. based on that cost, how much would 2.5 ibs of the same fish cost?

2. At the end of a math contest, each team must select two students to take part in the countdown round. As a math team coach, you decide to randomly select two students from your team.

Heather wants to purchase a pet from her local pet store. The pet store is offering 50% off rare exotic parrots. The original purchase price of a parrot is $956.50. Heather has a coupon for 10% off her entire purchase.

960 surveys were mailed out, but only 28% were returned. how many surveys were returned?