A mountain climber ascends on a trail that starts at an elevation of 8500 ft and ends at an elevation of 17,750 Ft. The temperature changes by -4.8 Fahrenheit every 1000 ft Gaines in the elevation. what is the change in the temperature from the start to the end of the trail.

What is the missing step in this proof ?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.