+73 Simplify each expression.
1. 8 + (9t + 4)
2. 9(2x)
3. (4 + 105x) + 5
4. (10p)11
5. (12 * r) * 13
6. (2 + 3x) + 9
7. 4 * (x * 6.3)
8. 1.1 + (7d + 0.1)
9. 56ab/b
10. 1.5mn/m
11. 13p/pq
12. 33xy/3x
+129852 1. 8 + (9t + 4) = 8 + 4 + 9t = 12 + 9t
2. 9(2x) = 18x
3. (4 + 105x) + 5 = 4 + 5 + 105x = 9 + 105x
4. (10p)11 = 110p
5. (12 * r) * 13 = 13 * 12 * r = 156r
6. (2 + 3x) + 9 = 2 + 9 + 3x = 11 + 3x
7. 4 * (x * 6.3) = 4 * 6.3 * x = 25.2x
8. 1.1 + (7d + 0.1) = 1.1 + 0.1 + 7d = 1.2 + 7d
9. 56ab/b = 56a
10. 1.5mn/m = 1.5n
11. 13p/pq = 13/q
12. 33xy/3x = 11y
