Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

y = 3x - 18

Step-by-step explanation:

The line passes through (2,-12) and;

Its parallel to line y = 3x

The slope of our line is 3

Taking another point (x,y) on the line

Slope = change in y ÷ change in x

3 =

y + 12 = 3x - 6

y = 3x - 18

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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