What is the sum? (2/x2) + (4/x2)

Joanne found 99 seashells on the beach she gave Nancy some of her seashells she has 27 seashells left how many seashells did she give to Nancy

The median of the set (n, n+5, n+6, n+9, n+15) is 9. What is the mean?

Calculate S30 for the arithmetic sequence defined by {an}={3.1n-2} a.) 91 b.) 113 c.) 1,381.5 d.) 1,397.5

A family pays $45 each month for cable television. The cost increases 7%. a. How many dollars is the increase? The increase is $ . b. What is the new monthly cost? The new monthly cost is $ .

Is Negative 26 A rational Number? Yes or no?

A truck driver needs to drive his load to a destination that is 2760 miles away how many miles on average will he have to drive each day if he takes one week plus one half day to get there?

brenda and her bestfriend went on a vacation together. They both paid for a flight, and brenda had a fancy room for $150 per night, for a total of $1,500. Her friend had a smaller room for $120 per night, for a total of 1,320

Is the lcm less than both numbers allways never or some times

A newspaper has 64pages it is made up of 16 big sheets of paper each sheet of paper is folded in half and contains 4 pages the first sheet of paper contains pages 1,2,63 and 64.

The Suarez family pay $23.25 for three movie tickets at the rate could the family use a $100 gift certificate to buy 12 tickets