A train leaves Philadelphia at 3 PM. The second train leaves the same city in the same direction at 9 PM. What is the speed of two trains?

What fraction is of a dollar is 7 dimes and 4 pennies

The choir plans to arrange the students in equal rows. What is the greatest number of students that could be in each row

B. A cyclist rides at an average speed of 29 km/hour. If she wants to bike 236km, how long (in hours) must she ride?

What is the degree of the polynomial - 2xy^5 + 3x^7 - 10x^3y^6 ^+8x^6+4

Fernando makes 39 muffins. He puts 5 into each box. How many boxes can he fill? A. 4 B. 7 c. 8 D. 6

Two side lengths of a right triangle have been given. Solve for the missing side length if a and b are leg lengths and c is the length of the hypotenuse. Leave your answer in simplest radical form. a = 16, b = 30, c = ?

What is the discriminant of the quadratic equation 0 = - x^2 + 4x - 2? -4 8 12 24

Write an expression that means the sum of six and the product of three and d

Solve for x. - 1.9=x/0.5

The rectangle's width is one fourth times its length. The area is 64 square inches. Find the length, width and perimeter.