A jar contains 4 white marbles, 6 red marbles, 8 black marbles and 2 green marbles. If a marble is
selected at random, not replaced, and then another marble is selected, find the following probability of
selecting 6 black marbles.

Select the sequences that are geometric.

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of