Sum to n terms the series 7 + 77 + 777

Solve equation 6.7 x - 2.3=?

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What is the solution to 3x+2.4≥3.0

Find the mean and the median of this data set: 8, 6, 6, 3, 72, 7, 4, 2

Your friend has a bag of 20 marbles. Seven are blue, four are red, two are green, and three are yellow. If the rest are white, what percent of the marbles are white?

What is polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping.

Danny gets paid $8 per hour. What is the rate of change? A) m=4 B) m = 1/2 C) m=8

Two equivalent expressions the are equal to (9-c) + (9-c) + (9-c) + (9-c) is

If two angles in a triangle add up to138, then what is the size of the third angle

Kay has an 80% probability of making a free throw in basketball and each free-throw is independent. Kay gets to take two free throws and must make both to win the game. What is the probability that Kay's team will win the game?