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

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line