Can you find the sum [5.5 + (-2.3) + (-5.5+2.3) without performing any additions?

Is the square root of 12 minus 2 irrational or rational

What is 2 1/3 multiplied by 5 3/5 as a mixed number or fraction

Which equation (s) represent joint variations? c = 2pi r z = 3x/y y = 3x+2 w = abc/4 V = lwh

The height of a right cylinder is 2r, where r is the radius. Write a function f in simplest form that represents the ratio of the surface area to the volume.

A Party rental company has chairs and tables for rent. The total cost to rent 2 chairs and 6 tables is $42. The total cost to rent 5 chairs and 3 tables is $42. The total cost to rent 5 chairs and 3 tables is $30 what is the cost to rent each chair?

Find the slope of the line 4x-7y=28

40+25 write the sum of the numbers as the product of their gcf and another sum

Rectangular pyramid:volume 448 inches cubed, base edge 12 inches.; base length 8 inches

Find two consecutive odd numbers whose sum is 144

James measured his hand. It was 0.17 M. Jennifer measured her hand. It was 0.165 M. Whose hand was bigger? How do you know?