1. The answer is B (4, -1)
2. The answer is B (-2, 5)
Answer:
90
Step-by-step explanation:
Be sure to use PEMDAS. Begin with parentheses, the move to multiplication, then adding.
20 + 3(7 + 4) + 5 + 2(7+9)
20 + 3(11) + 5 + 2(16)
20 + 33 + 5 + 32
You can add those final four numbers in any order you want, to get a sum of 90.
C + t = 127
c = 2t + 4
Substitute 2t + 4 for c.
(2t + 4) + t = 127
3t + 4 = 127
3t = 123
t = 41
c = 2(41) + 4 = 86
Answer: 86 cars and 41 trucks.
First one is positive second one is negative third one is negative fourth one is positive and the last one is positive
Answer:
1.5
Step-by-step explanation:
