Ms. Thayer bought 6 items for her physics class at a mean cost of $8.40 per item. When she added a dial caliper for $46.50 to her purchases, the new mean for all 7 items became about A. $16.15
B. $7.84
C. $13.84
D. $54.90
E. $27.45

Explain your thinking.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

What term makes it inconsistent y=2x - 4

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?