Bob is doing a quality test on machine bolts. He tested 24 bolts that he randomly picked and found that 5 were defective. Based on Bob's results, what is the expected number of bolts that will be defective if he tests 840 bolts? A.139
B.145
c.175
D.211

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Determine which postulate or theorem can be used to prove that lmn =nmo