Ola will run from her house to a local park and back to her house. She sees this sketch of the route she will take.
park
1 miles
2 miles
house
What is the total distance of the route Ola will run?
Give your answer as a mixed number.
You must show your working.

What is the slope of the line shown below?

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.

Do you mind if you guys me with this question i’m on number 8