Find the 9th term of an arithmetic sequence that has a 4th term of 27 and a 5th term of 19

Is 1 - 8 (10 - 3) equivalent to 6 + 2 + 4x

2 2/3 * 2 3/5 what is the answer and can you explain how you got it

Four students get 90s on a test, three get 70s, 2 get 60s and one gets an 80. what is the mean test score in this group?

10 (2a-1) I suck at this and I cant figure it out (>^<)

Which function has an asymptote at x=pi/2? a) y = sec x b) y = cot x c) y = csc x d) y = cos x

The cost of 13 credit hours was 1222 what did 11 credit cost

The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. They would like the estimate to have a maximum error of 0.1 gallons.

What is the sum of the first five terms of the geometric sequence in which a1=10 and r=1/2? (Express your answer as an improper fraction using the slash (/) key and no spaces.)

these cards are put int a bag. One card is chosen at random. (1,2,3,4,5,6,7,8,9,10) a.) what is the probability of choosing the card with the number 4? b.) What is the probability of choosing a card that has a digit 1 on it?

Solve this equation - 11=7+3c