James defines an angle as "a figure consisting of two rays." his statement is not precise enough because he should specify that • the rays must be collinear the rays must form a night angle the rays must have a common endpoint the rays must continue in one direction forever

The rays must have a common endpoint

Step-by-step explanation:

An angle is basically a figure that is formed when two rays share a common endpoint or vertex. The term angle comes from the Latin word "angulus" which means "corner". If you look at an angle, you will see a corner formed between the two rays.

Common endpoint is the correct answer.

I can confirm this because I took the test.

answer: x=3 and y=4

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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