What is the solution set for this inequality

Step-by-step explanation:

1) Subtract 40 from both sides.

2) Simplify -16 - 40 to -56.

3) Divide both sides by -8.

4) Two negative numbers makes a positive.

5) Simplify 56/8 to to 7.

Therefor the answer is option B. x < 7.

73.0769230769% of the games were won

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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step-by-step explanation: