Find the factors prime or composite 21

Mario bought $5 worth of stamps at the post office. He bought ten more 6 cents stamps than 10 cents stamps. The number of 8 cents stamps was three times the number of 10 cents stamps. He also bought two 20 cents stamps.

Consider the arithmetic sequence presented in the table below. n 5 71 an 74 1,460 Hint: an = a1 + d (n - 1), where a1 is the first term and d is the common difference.

Solve x^3+5x^2=9x+45

Product of two numbers is 45. Sum is 14. What are the two numbers

In the most recent election, 19 percent of all eligible college students voted. If a random sample of 20 students were surveyed, find the probability that exactly half voted in the election.

A science fair poster is a rectangle 48 inches long 24 inches wide What is the area of the poster in square feet?

If the diagonals of a kite are 10cm and 24cm, find its area.

A compound inequality is graphed and its graph consists of real numbers which open sentence could have resulted in this solution set r > 3 or r < - 2 r <3 or r 3 or r> - 2 r - 2

Simplify 7/3+3 (2/3-1/3) squared

Which expression is equivalent to 2x^2-72