What is the equation of a line that is parallel to y = 2/3 x + 7 with a y-intercept at (0, 4)?

y = 2/3x + 4

Step-by-step explanation:

The slope-intercept form of the equation of a line looks like:  y = mx + b

where  m = slope and (0,b) is the y-intercept.

The line y=2/3x+7 is given in slope-intercept form.

All lines parallel to this one have the same slope (m=2/3).  The one with y-intercept (0,4) has the equation:

y = 2/3x + 4

bull

step-by-step explanation:

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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