Nola giles down a trail at a steady rate for 10 minutes. her change in elevation was -200 feet. then she continued to hike down for another 20 minutes at a different rate. her change in elevation for this part of the hike was -300 feet. during which portion of the hike did she walk down at a faster rate?

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28

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.