Flying against the wind, an airplane travels 4260 kilometers in 6 hours. Flying with the wind, the same plane travels 3270 kilometers in 3 hours. What is the rate of the plane in still air and what is the rate of the wind?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase