Determine if the bioconditional is true. if false, give a counterexample

"the bulb does not shine if and only if the lamp is unplugged"

True/False

Counterexample:

X^2-7y-7x+xy complete in factored form

Out of 20 fields of crops only 12 will wheat. what percentage of crops will wheat

The following chart shows a store's records of sales of stuffed toys over two months. September October Teddy Bears Teddy Bears 346 Rabbits que Cats Cats 245 Horses Other 199 Other If the trend shown in these graphs stays constant, what percent of

This weekend Karen participated in a road race. The ratio of the number of miles she ran to the number of miles she walked is 4 : 5. How many miles did Karen run if she walked 10 miles? A. 2 mi. B. 4 mi. C. 6 mi. D. 8 mi.

The perimeter of a rectangular garden is 114114 meters. The length is 6 meters longer than twice the width. Find the dimensions of the garden.

Determine whether the following is an example of a sampling error or a non-sampling error. 12% of all people are left handed. A researcher randomly selected 200 people and found that 16% of them were left handed.

Lightbulb consumes 12,600 Watt - hours in 3 days and 12 hours. How many watt - hours does it consume per day

On a multiple-choice test, each question has 4 possible answers. A student does not know the answers to three questions, so the student guesses.

If Herschel walker can sprint 40 meters in 4.35 seconds, how many miles per hour is he running? Round to the nearest tenth A) 4.7 mi/hr B) 20.6 mi/hr C) 17.9 mi/hr D) 5.5 mi/hr

A pole is needed to support a fence that is 15 feet tall. The pole will be placed 4 feet underground and connect to the top of the fence. The pole will be 30 feet from the fence at ground level. What size pole will need to be ordered?