Answer:a
Step-by-step explanation:
2 5/5=2.625 round 3
The answer is 6t^2+2.5x^2-0.5t-5.4
D. All real numbers between 111 and 166.5 inclusive.
14.
4(5.6) = 4(6.0 - 0.4) = 4(6.0) - 4(0.4) = 22.4
16.
4(6 + 7) = 4(6) + 4(7) = 52
18.
14(10 - 5) = 14(10) - 14(5) = 70