How do you find whether a problem shows continuous or discrete data?

A movie store sells DVDs for $15 each. The function C (d) = 15d relates the total cost of movies to the number purchased d.

The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3 What is the first term of the series?

Stan, a local delivery driver, is paid $3.50 per mile driven pus a daily amount of $75. On Monday, he is assigned a route that is 30 miles long.

What is the remainder when 15,908 is divided by 13?

What is the 8s in the 8,800

Jamie is three times as old as his brother nick. Nick is twice as old as his sister nadia. Nadia is exactly 4 years old. How many months old is jamie?

A researcher measured the heights of forty high-school students. The measurements are recorded here. Heights (in inches) 58 59 60 60 60 61 61 61 61 62 62 62 62 62 62 63 63 63 64 65 67 67 68 68 68 68 69 69 70 70 70 71 71 71 71 71 72 73 74 76 If

Sally's bicycle tire is 52 inches in circumference. Number of Revolutions Distance Covered. 1 inches 3 inches 12 inches 27 inches 146 inches

Lower quartile of 6 8 10 12 14 15 15 20

Oswald has £6 he buys some cans of drink at 85p each and has 5p left over how many cans of drink did he buy

Lisa's store collects 5% sales tax on every item sold if if she caused if she collected $22. In sales tax what was the cost of the items her store sold