Which equations are equal to this equation? select all that apply. 1/4 (8x + 56) = 20 a. 56 + 8x = 80 b. 14 = 20 - 8x c. 2x + 14 = 5 d. 2x = 6

The ratio of the ages (in years) of three children is 2: 4: 5. the sum of their ages is 33. what is the age of each child?

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?

If a triangle given by the matrix  [2 3 5 -1 0 2]  is dilated by a scale factor of 2, what will happen to the side lengths and angle measures of the triangle