Witch expression represents the sum of (2x-5y) and (x+y)? A 3x-4y
B 3x-6y
C x-4y
D x-6y

Solve for x by completing the square. 2x^2-4x+7=0

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb