Two stores sell painting kits. Store 1 charges 12.50 for the painting kit, and customers can buy additional paintbrushes for 0.75 each. The table shows the total cost of purchasing a painting kit plus additional paintbrushes from store 2, where each paintbrush costs the same amount

8 2/3 is the answer

step-by-step explanation: just use a calculator

i'm sorry i don't know

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:

step-by-step explanation:

the triangles are similar. therefore the corresponding sides are in proportion:

              cross multiply

            divide both sides by 32