Beginning at 8:30 A. M., tours of the National Capitol leave every 15 minutes. Tours for the White House leave every 20 minutes. How often do the tours leave at the same time?

the mean height of the team is 200.3. a new player joins and raises the mean average height to 201cm. work out the height of the new player.

8/20 as a percentage

Which is greater 2/4 or 3/4

The manager of an 110 -unit apartment complex knows from experience that at a rent of $300, all the units will be full. On the average, one additional unit will remain vacant for each $20 increase in rent over $300.

X-y=-1 2x-y=0 By elimination method

Solve for t. 3t - 12 < - 3 and - 6t <12

17. Given: f (x) = 3x - 5, find f (-1) 18. Given: g (x) = - 5x + 2, find g (4)

Express 90 as the product of its prime number in order

A triangle has one angle that measures 15 degrees, one angle that measures 44 degrees, and one angle that measures 121 degrees. what kind of triangle is it

How do I find the mass of 250.0mL