Thomas A.

You have a jar of 12 jelly beans. There are 4 each of red, green and white. If you cannot see the colors inside the jar, how many jelly beans do you need to take out before you can be sure you have... more

Solve the following problems1. John reads 48 pages of a book. What part of the book does she read the book has 75 pages?2. Six out of ten cars were sold. What fractional part of the cars were not... more

Find f(a), f(a + h), and the difference quotient f(a+h)- f(a)/h, where h =0.f(x) = 7x2 + 3 f(a) =f(a + h) =f(a+h) - f(a)/h =

Harry and Terry are each told to calculate . Harry gets the correct answer. Terry ignores the parentheses and calculates . If Harry's answer is  and Terry's answer is , what is ?

Angle  of  is a right angle. The sides of  are the diameters of semicircles as shown. The area of the semicircle on equals , and the arc of the semicircle on  has length . What is the radius of the... more

A fair coin is tossed 3 times. What is the probability of at least two consecutive heads?

Trey and his mom stopped at a railroad crossing to let a train pass. As the train began to pass, Trey counted 6 cars in the first 10 seconds. It took the train 2 minutes and 45 seconds to clear the... more