Amanda sells homemade birthday cakes for a profit of $39 for cake she is considering switching to a new type of icing that will increase her profit as expressed by the function y=45x where c is the number sold and y is the amount of profit how many more dollars will amanda earn in each cake if she switches to the new material? explain how you found your answer. m i really need this ! i would appreciate this so much

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)

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8