Amachine is made-up of four independent components: a, b, c, and d. the probability that each works is p(a) = .90, p(b) = .70, p(c) = .80, p(d) = .90.what is the probability that none of the four components work?

Solve the system of equations. y= 2x y= x^2 - 15

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m