A bakery made 55 boxes of rolls. Each box holds 12 rolls. How many rolls were made in all? Make an equation to represent the problem. Drag numbers and symbols to the lines.
55
12
+
X

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?