Answer:
4 1/2
Step-by-step explanation:
Natural numbers are the counting numbers, meaning that they make up the set {1,2,3,4,5,...} So , 4/5 is belong to natural number
PARALLEL slopes always have the same slope no matter what because they are parallel
a₁ = -1
a₂ = 3a₁ + 7 = 3(-1)+7 = 4
a₃ = 3a₂ + 7 = 3·4+7 = 19
$73.60
Original price: $64
Markup: 0.15($64) = $9.60
New retail price: $64 + $9.60 = $73.60
