F(x) = 2x + 3 - (x + 10 )

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work