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

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount