2) The temperature of a 150. mL sample of gas increases from 200. K to 500. K. What is the final volume of the[..]

True or False? It is ok to use Celsius temperatures in gas law calculations?

Gabe need 30 liters of a 40% acid solution. He currently has a 30% solution and a 60% solution. How many liters of[..]

Jane would like an 86 average for the five math tests this semester. Her average on the first 4 tests so far is an[..]

Jane would like a 86/b average for the five math tests this semester. Her average on the first 4 tests so far is a[..]

10 lbs. less than twice Don's weight is 90 lbs. the weight of his brother Mark. How much does Don weigh?

A two digit no. Is 4 times the sum of its digits and twice the product of its digits. Find the number.

2 walls of equal length - What if the length of one wall is 4 ft storage + 5 equal flower beds = 7 ft storage + 6[..]

Subtracting with mixed numbers and fractions

A is half of B, and B is half of C. If the average A,B, and C id 70 find the value of A.