For which real numbers x and y is it true that x + y = x+y?

The speed of a tsunami s (in meters/second) is approximated by s=√gd, where g is the acceleration due to gravity (9.8 m/s2) and d is the depth of the water (in meters). If the speed of a tsunami is 200 m/s, about how deep is the water?

A set of data contains 53 observations. the minimum value is 42 and the maximum value is 129. the data are to be organized into a frequency distribution.

Joe's gas tank is 14 full. After he buys 6 gallons of gas, it is 58 full. How many gallons can Joe's tank hold?

To pass inspection, a new basketball should bounce back to between 68% and 75% of the starting height. A new ball is dropped from 6 feet and bounces back 4 feet 1 inch.

What is 50/72 in lowest terms?

Solve to following equation for x: 6 (4x + 5) = 3 (x + 8) + 3

A doctor has 6 patients to visit. How many different ways can he make his rounds if he checks each patient once?

5 friends went out for lunch. their total bill was $41.25, including tax and gratuity. one of them ordered only soda and needed to pay only $2.17. the other 4 friends ordered the same daily special.

What does 2/3 + 4/5 equal?

Find the next two terms in the sequence. 9.8, 0.7, - 8.4, - 17.5, ... -35, - 70 -26.6, - 35.7 26.6, 35.7 18.9, 28 Find the exact value of the eighth term of the geometric sequence: 648, 216, 72, 24 ... .