Im not sure what it is but my best bet would be on A because the rest of them all say greater than 0 and you are trying to find the least.
X = 0 y = 15(0) - 4 = -4
x = 1 y = 15(1) - 4 = 11
x = 2 y = 15(2) - 4 = 26
x = 3 y = 15(3) - 4 = 41
x = 4 y = 15(4) - 4 = 56
x = 5 y = 15(5) - 4 = 71
range = largest - smallest
71 - -4 = 75
so the range is 75
The factors of the given model are (x+2) and (x+7)
Given the representation of the model expressed as;

To get the factors, we will factorize the given quadratic function as shown:

Group the functions to have;

Factor out the GCF from both parenthesis:

Hence the factors of the given model are (x+2) and (x+7)
Learn more on factorization here: brainly.com/question/25829061
They both get their cars washed on every 60th day.
You can solve this equation by finding the lcm (least common multiple):
15 30 45 60 75 90 105
20 40 60 80 100
The lowest common multiple is 60 as it is the first multiple the two have in common.
So, in sixty days, they’ll both get their car washed again
Janina is the tallest, while Isabel is the shortest.