Ryan completed 1/8 of his test in 2/5 hour. if ryan's rate stayed the same, how much of his test was finished in one hour? plz

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3