An object of mass m slides down an incline with angle 0. which expression
shows the net force on the object along the surface of the incline?

a. mgcos(0) - fn
b. mgcos(0)
c. mgsin(0)
d. mgsin(0) - fn

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?