The difference of the upper quartile and the lower quartile

Which equation is modeled below? 1 negative x tile and 1 positive 1 tile = 2 x tiles and 3 positive 1 tiles Negative x + 1 = 2 x + 3 x + (negative 1) = 2 x + 3 x + (negative 1) = 3 x + 2 Negative 2 x = 2 x + 3

The lengths, in centimeters, of nine earthworms are shown below. 3, 4, 5, 5, 6, 7, 8, 9, 10 What is the median of the data?

What do you do if you have two medians from the data?

Simplify 216^1/3. Answer 4 6 9 12

Julio must use 3 tablespoons of butter in his biscuit recipe for 2 batches of biscuits. He used 18 ounces of butter today. How many batches of biscuits did he cook? Four tablespoons is approximately one ounce.

When four times the number is added to 7 times the result is 33. What is the number?

A tablet computer costs $189.69 including tax. It is marked up 30%. What is the final price of the tablet computer after it is marked up? A. $56.91 B. $132.78 C. $219.69 D. $246.60

Jeff found 3 times as many seashells as his sister. Jeff found 39 seashells. How many seashells did his sister find? Write an equation to represent the situation. Then solve the equation to answer the problem.

Divide. square root of - 18 / square root of - 50

Which type of probability is determined by personal experimentation and testing? a. unpredictable probability b. theoretical probability c. random probability d. empirical probability?