Last month, when Joe took his puppy to the veterinarian, the puppy weighed 4.5 pounds. This month, the puppy weighed 7.2 pounds. What is the percentage increase of the weight of the puppy?
A.
60%
B.
37%
C.
3%
D.
63%

If the graph of f(x)=9x^2+37x+41/3x+5 has an oblique asymptote at y=3x+k what is the value of k

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Is this a polynomial function? i need to know asap