Six times the sum of a number and 15 is -42

Find the balance at the end of 4 years if 1000 is deposited at the rate of

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Which of the following are accepted without proof in a logical system? check all that apply.