The sides of a triangle are 10, 17, and 21 inches long. find (a) the smallest angle of the triangle; (b) the diameter of the circumscribed circle.

If X = - 2, calculate the value of: x2 + 2x

Fifteen thousand, six hundred nine in number form

A number cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

3 and 3/8 tons equals how many pounds

A rectangle has an area of 40 sq units, then length is 6 units greater than the width

The sum of the first 20 terms of the sequence a (n) = 7n+2

What is the standard equation of the circle in the graph?

Name two decimals whose quotient is about 4.1

Which products result in a difference of squares? Check all that apply. (5z + 3) (-52 - 3) (w - 2.5) (w + 2.5) (8g + 1) (8g + 1) (40 - 9) (-4v + 9) (6y + 7) (7y - 6) (p-5) (-5)

Brandon's family is planning a trip from Dallas to San Antonio. Dallas is about 272 miles from San Antonio. If Brandon's dad drives an average of 60 miles per hour, about how long will the trip take?