10 points help me plz need this anyone Describe, using complete sentences, the advantages and disadvantages of using a credit card.

If a =6, what is the value of 2a(3b + 5c)?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )