Which expression is equivalent to the expression below?

Hence final answer is -3c.

Step-by-step explanation:

Given expression is

now we need to dinf about which of the given expressions are equivalent.

So let's simplify the given expression

Cross out the similar factors from top and bottom

Hence final answer is -3c.

answer:   rotate 270° clockwise about (7, 1) and reflect across the line x = 7

step-by-step explanation:

because i took test

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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