Simplify (19x2 + 16x + 45) - (9x2 + 13x + 23).

A particularly long traffic light on your morning commute is green on 20% of the mornings. assume that each morning represents an independent trial. (a) what is the probability that the first morning that the light is green is the fourth morning?

What is the value of 7 (3X - 4) + 43, when x = 6?

Simplify 8y (y - 4) + 3y (y + 2). 24y 2 - 26y 11y 2 - 26y - 8 11y 2 - 26y 11y 2 - 8

The inchworm moves 1⁄5 inch per hour. How far will the inchworm have moved after 6 hours?

Solve - 2 x + 12 < - 4

What is the lcd for the factor 1/3 and 2/9?

98 is what percent of 2487

Aaron had seven times as many sheep a beth, and both together they had 608. How many sheep did each have

A number cube us rolled 450 times. The number 3 comes up 67 times. (a) What is the theoretical probability of rolling a 3? Write your answer as a fraction in simplest form.

What number can you add to 7√ to get a rational number?