Thomas takes a break from his work every 20 minutes while Elaine takes a break every 30 minutes. How often do they take a break at the same time assuming that they start work together?

Rewrite 3/7 with a denominator of 28

Which property of equality is represented? 17y = 17y A) reflexive property B) symmetric property C) transitive property D) commutative property

If you saved 2.00 on january 1, 4.00 on february 1, 6.00 on march 1 and so on how much money would you save in a year

Which formula is used to calculate the standard deviation of sample data? TH -X + ... + X -X n- 1 N 12-) +. + (Xwx) X1X + X2-X + ... + X -X n-1 Mark this and return Save and Exit Next Submit

How to find the surface area of a cylinder

Two Neighbors in a rural area want to know the distance between their homes in miles. What should the Neighbors use as a conversion factor to covert 4,224 to miles

A rectangle is twice as long as it is wide. it's area is 72 square units. Find the length of each side

Andrea built a circular barbecue pit with a circumference of 9 feet. She wants a rod to go across the pit to use for a rotisserie. The rod must go from one edge of the pit to the other, passing through its center.

How to find which cereal has the higher ratio of protein

Great a word problem for x+2=3x-8