suppose a 9 minute overseas call costs $6.48 and a 19 minute call costs $13.68. What is the cost, c, of a call of m minutes duration? write a equation to model the cost.

Radius is 6 height is 4 what is the volume rounded to the nearest hundredth

Jennifer wants to take a trip around the world. She plans to deposit $125 at the beginning of each month into an investment with a 3.75 interest rate, compounded monthly. How much will she have in the account in 8 years? A. 13, 969.10 B. 14, 012.

The grades on the last math exam had a mean of 72%. Assume the population of grades on math exams is known to be distributed normally, with a standard deviation of 5%. Approximately what percent of students earn a score between 72% and 87%?

Triangle ABC has angles measuring 137°, 15°, and 28°. Classify the triangle by its angle measures.

The parabola y=x^2-2x+4 will have a vertex of

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61

If you have zero cookies and share them amongst zero friends, how would you write the equation and solve it?

What is the interior angle sum of a 15-gon?

6,051 m = __km a. 0.6051 b. 6.051 c. 60.51 d. 605.1