Which physical property allows a mixture of sand, rocks, and gravel to be separated by a sieve? A. Shape
B. Magnetism
C. Size
D. Solubility​
I need an answer I don't have much time.

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

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.

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?