Lucy bought two tickets to a symphony concert and 5 tickets to a movie. A movie costs $4 more dollars than a concert ticket. Write an expression to represent how much money Lucy spent on tickets.

How will the mean age of members at the community gym change if the outlier in the data shown is removed? The mean age of members will increase. The mean age of members will decrease.

A company making refrigerators strives for the internal temperature to have a mean of 37.5 degrees with a population standard deviation of 0.6 degrees, based on samples of 100. A sample of 100 refrigerators have an average temperature of 37.

True or False? When computing descriptive statistics, we are interested only in describing our data, most often in terms of measures of central tendency and variability.

You run at a steady rate of 7 minutes per mile in a cross country race. You finish after 21 minutes in fourth place. How long is the race

What are the real roots of 2x^3-42x-40

Expression 2 5+4x2+6-2x2-1 Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.

A particular frozen yogurt has 75 calories in 2 ounces, how many calories are in 8 ounces of yogurt

Bananas cost $3 a bunch and apples cost $0.50 each. If b represents the number of bunches of bananas and a represents the number of apples, which of the following expressions represents the total cost?

The area of the red square is 16 ft2. The area of the yellow square is 25 ft2. What is the area of the green square? A) 3 ft2 B) 9 ft2 C) 81 ft2 D) 128 ft2

What is the sum of the infinite geometric series? Sigma-Summation Underscript n = 1 Overscript 4 EndScripts (negative 144) (one-half) Superscript n minus 1