Zen Superstore purchased boxes of buttons in bulk,
paying $0.53 each. The store
will sell each box of buttons for
$0.77. What is the mark-up, as
a percentage?

A:38%
B:45%
C:40%
D:32%

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0