Justin has a savings account. -He started with $70 in his account.

-He deposits $15 into the account each week.

-Let 'b' represent the amount Justin has in the bank after 'w' weeks.

Which equation represents the total amount Justin will have in his account?

What are the exclude value of mn+3m

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What is the correct answer?urgent you