A company sells plastic and metal fittings. A shipment of 200 plastic and 50 metal fitting cost $650. A shipment of 100 plastic and 150 metal fittings cost $950. What is the total cost of one plastic and one metal fitting?

the answer is a

step-by-step explanation:

because your just changing the position of where the shape is

{3 + i, 3 - i, 3, -1}

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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