Ultimately, the question is "What is 5% of $279.95?"
To answer this, multiply 279.95 by 5%, or 0.05 which is 5% in decimal form.
Yes, (3, 2) is a solution to y = 2x - 4. (:
To estimate 2641 x 9 is that you round each number. so it would be 2641 to 2640 and the 9 would round to 10. 2640 x 10