What's 9 and 2/9 minus 8 and 1/2

If the speed of light is 3*10^8m/s, calculate the frequency of the light if the wavelength is 7.80*10^-7?

How many 2/3 are in 1?

You are at Galveston for a week-long gathering. Members of your family want to rent a jet ski. It will cost $45.00 per hour. How long can you rent the jet ski if your family has budgeted $350 for the rental fee?

9/20 divided by 4/15 fraction

What is 30 multiplied by 1/2

A taxi cab company charges a flat amount of $5.00 plus a rate of $3.00 per mile traveled. Part A: If the total cost of the fare was $41.

The probability that a fair coin tossed 10 tines will land heads up on all ten tosses is 1 out of

The product of two positive numbers is 1,800. One number is twice the other number. The equation to determine the two numbers, with x representing the value of the lesser number, is x (2x) = 1,800. What is the value of the lesser number? 24 30 48 60

Two pony express riders rode equal parts of a 286 mile trip. each rider rode the same number of miles. they changed horses every 13 miles. how many horses did each rider use?

The number of bricks on the bottom row was 21, and each row above it had 2 fewer bricks. If there were 11 rows in the stack of bricks, how many bricks were there altogether?