21. REASONING The formula K = 5 (F - 32) + 273.15 converts temperatures from Fahrenheit Fto Kelvin K.
a. Solve the formula for F.
b. The freezing point of water is 273.15 Kelvin.
What is this temperature in Fahrenheit?
C. The temperature of dry ice is – 78.5 °C.
Which is colder, dry ice or liquid nitrogen?

3,750 deer

step-by-step explanation:

1,500 is 15 times larger than 100

lets make 250 15 times larger.

3750 deer

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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step-by-step explanation: