How to solve for 40! / 10!30!

The perimeter of a rectangular field is 320 yd. The length is 60 yd longer than the width. Find the dimensions.

A store that sells skis buys them from a manufacturer at a wholesale price of $63. The store's markup rate is 50%. a. What price does the store charge its customers for the skis? b.

Be a math detective and use the clues at the right to find the 7 digits number what is the number? This 7 digits number is 8920000 when rounded to the nearest ten thousands. The digits in the tens and hundreds places are the least and same value.

Is 70 thousand written in standard form or word form? Explain

What is the least common multiple (LCM) of 15 and 45? A. 15 B. 675 C. 45 D. 90

Molly had already read 6 books this year before joining a book club, and she plans to read 3 books every month now that she has joined. If Molly has read 42 books so far, how many months has she been with her book club?

What percent is 50% of 6375

Between what two consecutive integers is the square root of 151? a. 9 and 10 b. 11 and 12 c. 14 and 15 d. 12 and 13

Simplify the following expression. 1/3 (21m + 27)

Sara had some buns she sold 5/9 of them, if she has 128 buns left. How many bums did she have at first?