Which expression is equivalent to a + a -0.34a? a. 1.34a b. 2a -0.66 c. a -0.34 d. 1.66a

Solve the system of equations. y= 2x y= x^2 - 15

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions