Which statement explains why the points (-2,2) is a solution to the system of linear equations shown below

A- it lies on the graph of only one of the equations
B- it lies in the second quadrant of the coordinate plane
C-it is one of many points that satisfies both equations simultaneously
D-it is one of many points that satisfies both equations simultaneously

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:

answer: it is 8

step-by-step explanation:

you know why its 8

answer is c

step-by-step explanation:

81/12=324/x

x=48