What is the best estimate of the circumference of a circle with a diameter of 47mm: a) 141 mm b) 139mm c) 121mm d) 100mm

What is the number of possible permutations of 8 objects Taken 3 at a time

A rectangular countertop has a perimeter of 24 feet. its area is 27 square feet. what are the dimensions of the counter?

How to solve 40-4x=2|3x-10|

How many ways can you select three sheriff deputies from eight candidates?

Ms. Nichols bought enough sandwiches to feed 28 people. Each sandwich feeds 2 people. The cost of one sandwich is 4.99. How much does Ms. Nichols pay for the sandwiches. Show how you solved the problem.

A boat leaves a dock at 2:00 pm and travels due south at a speed of 20 km/h. another boat has been heading due east at 15 km/h and reaches the same dock at 3:00 pm how many minutes after 2:00 pm were the two boats closest together?

denise constructs a triangle with angles measuring 64o and 32o. what would the third angle measurement be

Which of the following are solutions to the equation below? x^2-6x+40=6x+5

Malcolm is driving 1,323 miles from Wichita to Charleston for a family reunion. He drives 443 miles the first day and 409 miles the second day. Round each distance to the nearest ten and estimate about how many miles Malcolm has left to drive.

What's an example of an integer word problem in addition?