This would be an exponential function.
Exponential functions are of the form
y = a*bˣ, where a is the initial value, b is the rate the function changes by, and x is the time period. Since this triples, b would be 3.
Perimeter of the whole shabang should be (7*2)+(5*2)
Answer: 35 more times
How: (if she gets 60 points for each grocery store visit then first do 2580-480=2100. she still needs 2100 points so then 2100/60 = 35 grocery visits!)
Answer:
yes tax is .7 per dollar there for every dollar u spend u pay an extra .7
Answer:

Step-by-step explanation:

Convert the mixed number into improper fraction


To multiply one fraction by another, multiply the numerators for the numerator, and multiply the denominator for its denominator and reduce the fraction obtained after multiplication into lowest term



Convert the improper fraction into mixed number

Hope I helped!
Best regards! :D