Mail carriers in a large city are divided into four groups according to gender and according to whether they walk or ride on their routes.
Then 10 are selected from each group and interviewed to determine
whether they have been bitten by a dog in the last year.
A Cluster
B Systematic
C) Stratified
D) Convenience
E Random

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

For which pair of functions is (gof)(a)=|a|-2?