What is the solution of -21 = n – 8?
a. n = -168
b. n = -29
c. n = -13
d. n = 168

Which of the following of the following sets of side lengths could not form a triangle?

Solve for x, y, and z. show all steps.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?