4. Let a represent a positive number and let brepresent a negative number, Tell whether each statement is True or False by matching the statments,
Column A
Column B
1.
The difference (a -b) could be negative
a. True
2.
The difference (ba) cannot be positive
The sum (a+b) could be positive.
4.
The sum (b + a) must be negative.

The product of two negative rational numbers is always zero sometimes zero never zero

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.