7. Use substitution. What is the solution of the system of
equations?

y = -4x + 11
8x + 2y = 14

A. X = 6, y = 7
B. x = 6, y = -7
C. Infinitely many solutions
D. No solution

PLEASE HELP AND PLEASE LOOK AT THE OTHER QUESTIONS I ASKED

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

Given abcd ac=38 and ae=3x+4 find the value of x

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.