Alex plays hockey. he needs to buy a new hockey stick and skates. the hockey stick costs $80 and new skates cost $300. alex has a coupon for 15% off his total purchase. including take (6% michigan), what is alex’s total?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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 circumference of the pie