Part A: Explain why * = 6 makes 4x - 5 8 19 true but not 4x - 5 < 19. (5 points) Part B: What value from the set {4. 5. 6. 7. 8) makes the equation 4x + 3 = 23 true? Show your work.​

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

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay