Terry is making 2 hat and scarf sets. Each scarf requires 1 yards of material and each hat requires 18 inches of material. How many feet of material does he need for all 2 hat and scarf sets

9 ft

Step-by-step explanation:Hat 18 inches there's 12 in a ft so 18 in = 1.5 ft

2 Hats times 1.5= 3 ft

I scarf is 1 yd 3 feet so a set of scarf = 6 ft

true

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: