How many grams are in 3.7 moles of NA2O?

What is 0.25y=2 over x-6

Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formula equation for this reaction? Upper F subscript 2 (l) plus upper N a (s) right arrow upper N a upper F subscript 2 (s).

Find the area and perimeter of a triangle whose angles are all 60 degrees and base is 8m

208+-32%+280 Work this out and show your work

during the 1998-1999 little league, the tigers played 40 games. they won 18 more games than they lost. how many games dis they win that season?

Ashley sleeps exactly 7 hours every night. During the month of, how many total hours will she sleep?

Find the volume of 6.3, 7, 21

Solve the inequality 5x < 16 + x. A.) x < 1/4 B.) x > 1/4 C.) x < 4 D.) x > 4

At last week's basketball game there were 125 people in attendance. This week there were 34 more people. How many people attended the basketball game this week?

What is the common difference in the arithmetic sequence-4,3,10,17 ...