11. Find the truth value of each of the followie

a. empty element element of P (empty set)

b. For any set A,

empty element subset of P (A)

3362.31 divided by 56.7

Which whole number is less than 1.10?

Find an unknown side length of a rectangle when given the perimeter

A research report claims that 20% of all individuals use Firefox to browse the web. A software company is trying to determine if the proportion of their users who use Firefox is significantly different from 0.2.

At Pack-and-Ship there are large boxes with the dimensions 3.75 ft long, 3 ft wide, and 3.25 ft high. A customer wants to ship several small boxes 1/4 ft long, 1/4 ft wide, and 1/4 ft high.

A pole that is 3.4 m tall casts a shadow that is 1.54 m long. At the same time, a nearby building casts a shadow that is 35.75 m long. How tall is the building? Round your answer to the nearest meter.

A rollercoaster has a 385 foot drop. If you descend at a rate of 40 feet per second, how long will it take you to reach to bottom?

Evaluate each expression 1/7 + - 5/7

How can you write the expression 2 + (3x/7) in words?

A bookcase costs $93.11 when the CPI is 191. What is the CPI when a bookcase costs $76.05? a. 213 b. 181 c. 156 d. 122