Acoin sorter separates a mixture of pennies, nickels, dimes, and quarters according to which physical property?
a. size
b. density
c. magnetism
d. boiling point

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?