Use the foil method to find the product: (q-3) (q-4) (t+2) (2t+1) find the product: (3+i) (i^2+8i-2) (b-4) (5b^2-5b+4) show all work! ! first to answer will get brainliest!

cut 138 centimeters off

step-by-step explanation:

250-112 = 138

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: