PORFAVOR... ESTA ES LA TERCERA VEZ QUE PUBLICO LA MISMA PREGUNTA, AYÚDAME!!
Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUSTITUCIÓN:

A) 2x-3y=-6

x + y = 7

B) 8x+5y=-28

3x+2y=-11

Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUMA Y RESTA:

A) 5x+6y=20

4x-3y=-23

Questions 14 through 23, choose the onest answer. write your answer in the box forestion 24. mark your answer on the coordinatene grid for question 25.the sum of three consecutive even numbers is 96.what is the largest of these numbers? (a) 30(b) 32(c) 34(d) 36

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

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