Wendy's bill for breakfast at a restaurant was $94.She left an18% tip. What was the amount of the tip?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

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.

What is the point slope form of a line with slope -5 that contains point (2,-1)