87 is a composite number because it is divisible by 3, all of the rest of the numbers are prime
1.60/20 =0.08
0.08 per pen
D:
The orthocenter will be inside, on, or outside the scalene triangle, depending on whether it is acute, right, or obtuse, respectively. The number of congruent sides does not affect the location of the orthocenter.
Answer:
c=(10)($1.75)/12
c=$17.50/12
c=$1.458 which rounds to $1.46 per token
Answer:
53
Step-by-step explanation:
i had to use this old method (pic related).