Which of the following statements best gives the reasons that a long distance telephone bill is and essential (variable) expense?

How do u solve 10 3/4 - 3 1/2

Which of the following choices is the standard deviation of the sample shown here? 19, 20, 21, 22, 23

Brenda purchased a total of five computers for $3,300. She received a 20% trade discount. What did Brenda pay for the computers?

The entrance fee to the nature reserve was 4.50 for an adult and 2.20 for a child. Mr. Johnson brought a group of children to the nature reserve and paid a total of 59.50 for the entrance fee. How many children did Mr. Johnson bring?

A sunflower is 3 inches tall at week 0 and grows 2 inches each week. Which function (s) shown below can be used to determine the height, f (n), of the sunflower in n weeks?

Find the nth term in this sequence 8 12 16 20 24

Nine of 15 students completed their homework. What is the ratio of students who completed their homework to students who did not complete their homework

Yellowstone national park, which is located in wyoming, montana, and idaho, was america's first national park. the park has over 500 geysers. grand geyser erupts about every 8 hours.

40% of what number is 24

What is the slope of 3x+4y=24 and the slope of 8x=48+3y