2. absolute value, expression, integer. 3. This is what you have learned. 4. A. Row 6 is 48 50 52 54 56 58 58-48=10 At the end of each row you add 5 to get the first number to the next row and then add to till you reach the end of the row. B. an=a×rⁿ⁻¹ C. 143 last number is 163 D. The second picture is this one
