A state has a sales tax of 7 percent.

A 2-column table with 4 rows. Column 1 is labeled Item with entries water bottle, flashlight, toothbrush, compass. Column 2 is labeled Price with entries 1 dollar and 50 cents, 2 dollars and 99 cents, 1 dollar and 29 cents, 3 dollars and 29 cents.

Find the total cost of these items, including tax. Round to the nearest hundredth.

Water bottle:
Flashlight:

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Find the missing factor. write your answer inexponential form.9^2=9^4×

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?