If the vertical height of the roller coaster below is 315 feet, find d to the nearest
foot.
FO
A. 448 feet
B. 462 feet
C. 475 feet
D. 492 feet

answer for #1 is c

answer for #2 is d

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you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

y -5 = (-1/4)(x + 8)

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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step-by-step explanation: