Calculate the mode of the data set below.

{98, 71, 75, 90, 92, 88, 63, 71, 99, 10, 73, 68, 76, 89, 83}
a.
10
b.
71
c.
76
d.
99

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Can someone tell me if this is perpendicular? !