What is the value of the y-intercept of the graph f(x)=−6⋅7.5x? Enter your answer in the box.

y =

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

Can you me find the missing length. i attached an image.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*