The concentration, in parts per million, of a type of antibiotic in a human's bloodstream after h hours can be modeled by the polynomial function c(h) = −0.09h2 + 3.5h + 8. what is the concentration of the antibiotic after 3 hours in parts per million to the nearest hundredths? a) 17.69 b) 18.77 c) 38.69 d) 42.34

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?