A toy shop purchases stuffed animals for 2.50 each then they sell them for $7 what is the percent markup

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Do you mind if you guys me with this question i’m on number 8

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?