I chemistry class Andrew has earned scores 64 69 73 on three test. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final to pass the course?

Divide and round to the nearest hundredths place. 0.82 : 9

Solve the equation 3 (-a-3) - 2 (3a+3) = -78

Find the percent of the change from 145 to 85

If A and B are 6x5 matrices, and C is a 8 x 6 matrix, which of the following are defined? A. CT B. AC C. B+C D. A+B E. ABT F. CA

How do you calculate the area of a triangle using trigonometry?

What's the result of: (2/3) ³

Airline fares for a flight from Dallas to Austin are $30 for first class and $25 for the tourist class. If a fight had 52 passengers who paid a total of $1360, how many first class passengers were on the trip?

You have a recipe that requires 1/3 cup of sugar, but you only want to make a fourth of the recipe. How much sugar do you need to make this fraction of the recipe?

I just need clarification. If a rectangular prism has the dimensions of 10 by 4 by 6, The volume would be 240 in³ and the surface area would be 248 in² right?

A Web music store offers two versions of a popular song. The size of the standard version is 2.2 megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were 720 downloads of the song, for a total download size of 2688 MB.