A poll of 100 senior citizens in a retirement community asked about the types of electronic communication they used. The table shows the joint and marginal frequencies from the poll results.

22 + - 18 = ? A: - 396 B: + 40 C: - 2.75 D: + 4

What is the range of the exponential function y = (.5) x?

A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for. Round the answer to two decimal places

Damian set up a bucket to catch the raindrops. Buckets can hold 1 gallon. If each raindrop is made of about 1/90 fluid ounces of water, how many raindrops the bucket can hold

Name number that is rational but not and interger or a whole number

A pan of brownies was left on the counter and 1/4 of the brownies had already been eaten. Then John came along and a 2/3 of the brownies that were left. How much of the whole pan of brownies did John eat?

There are 12 eggs in one dozen, and 12 dozen in one gross. How many eggs are in a shipment of 24 gross

Is integers be written as the product or quotient of the two integers

How do you decrease 280 by 95%

Which choice correctly compares two decimals? A) 2.17 = 2.017 B) 2.018 > 2.17 C) 2.16 2.017