Megamart collects a sales tax equal to 1/16 of the
retail price of each purchase. the taxis sent to the state government.
a. is the amount of tax collected proportional to the cost of an item before tax is added? explain
b. is the amount of tax collected proportional to the cost of an item after tax
has been added? explain.

hurry its due tomorrow.

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.