Carol has some dimes and quarters. If she has 13

13

coins worth a total of $1.90

$⁢1.90

, how many of each type of coin does she have?

Whats an example showing a statement is not true

In a class action suit against a large corporation, a group of 5675 plaintiffs won 4.9 billion dollars. If the attorney fees were 40% of the settlement, how much did each plaintiff receive?

A train goes from New Orleans to Boston at 40 mph. On the way back it returns with a speed of 80 mph. If it takes it an hour less time to return, what is its average speed?

A company models its net income, in thousands of dollars, with the function f (x) = 9x2 - 54x - 144, where x is the number of units of its product sold.

For which pairs of functions is (f•g) (x) = 12x? f (x) = 3-4x and g (x) = 16x-3 F (x) = 6x2 and g (x) = 2/x F (x) = and g (x) = 144x F (x) = 4x and g (x) = 3x

A solution of an equation that does not satisfy the original equation is called

What is 68.7% as a simplified fraction

1. In a table of random digits, Each digit is to occur with a probability of 0.1 A.) A student examines a list of 200 random digits and counts only eleven 4s and thus claims that the table is not really random.

Will the oppoaite of zero always sometimes or never be zero?

The Murphys are on vacation and want to go on a helicopter tour. The tour itself costs $125 per person and they also have to pay a fuel fee of $50. If there are four people in the family, how much will the tour cost them?