Which of these situations does not have quantities that combine to make 0? A. 4 cups of water are added to a mixture. Then 4 cups of flour are
added.
B. A car is filled with 10 gallons of gas. 10 gallons are then used on a
drive across the state.
C. Mary receives $26 for babysitting. She then spends $26 on a new
jacket.
D. A dolphin swims 20 feet straight down from the surface. It then
rises 20 feet to return to the surface.

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

To decrease an amount by 16% what single multiplier would you use