Bob is doing a quality test on machine bots , he tested 24 bolts that he randomly 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

What is the area of the triangle 10 13 12

I’m confused on how to work the pie charts

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d