A family has 4 children. 2 boys and 2 girls What is the fractional probability of having 2 boys and 2 girls in a family's First four births?

1 mile = 1.609344 kilometers. Use this to convert 12350 feet to meters.

What is x equals to? 7+x=-8

the units digit of a two digit number is 10. If the digits are reversed, the new number is 9 less than the original number. find the original number

How do you solve 1 3/4-7/10?

Two buses leave towns 268 miles apart at the same time and travel toward each other. One bus travels 10 miles per hour slower than the other. If they meet in 2 hours, what is the rate of each bus?

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Solve for n. 18 = 2|-n| Write your answers as integers or as proper or improper fractions in simplest form. n = or n =

George can box 36 packs of 12 doughnuts, per hour. What is George's rate for 720 doughnuts?

How to identify the vertex and axis of symmetry from the equation y=x^2+4x-5

Jin ran 15.2 miles over the weekend. He ran 6.5 miles on Saturday. How many miles did he run on Sunday?