The boundary line for the linear inequality goes through the points (-6,-4) and (3,-1). The point (9,1) is not a solution to this inequality and neither is (-4,7). Write and graph an inequality to represent the situation.

y <   x - 2

Step-by-step explanation:

Slope of the line m = =

y + 1 = (x - 3)

y = x - 2

Points (9, 1) and (- 4, 7) are not solutions, then

1 < (9) - 2

7 < (- 4) - 2

Thus, the inequality is y <   x - 2  

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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