Which set of ordered pairs could be generated by an exponential function? A (-1, -1/2), (0,0), (1, 1/2), (2,1) B (-1,-1), (0,0), (1,1), (2,8) C (-1,1/2), (0,1), (1,2), (2,4) D (-1,1), (0,0), (1,1), (2,4)

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:

m∠a is 90°

m∠b is 40°

2x + 8

step-by-step explanation:

answer is  

a.

5.2 inches

hope you get this right.