49 rounded to the nearest ten

Which of the following triangle lengths form right triangles? Select all that apply. (7, 11, 13) (10, 24, 26) (12, 16, 20) (12, 35, 37) (13, 15, 19)

Two planes traveling in opposite directions leave the airport at the same time. in 4 hours they are they are 2900 miles apart. if one plane averages 75 miles per hour more than the other plane. find the rate of the faster plane

A cylinder has a volume of 140 cubic meters and a heigth of 14 meters. What is the area of the base?

What is the missing exponent of 5=3125?

Convert their Fraction to a decimal. show your work. 3/8

At a currency exchange, 3 u. s. dollars can be exchanged for 5 japanese yin. how many yin will you receive for 1 u. s. dollar?

What is the volume of 20 grams of an object with a density of 55g/cm^3?

I need the answer 5x-6=14

A ball is dropped from a height of 100 inches the ball bounces, each time reaching a lower and lower height.

A dress just went on sale and is 20% Off. To return to its previous price, How much in percentage should the price be raised?