Answer:
71th term is 141
Step-by-step explanation:

1 + (n - 1)*2 = 141 {Use distributive property}
1 + 2n - 2 = 141
2n - 1 = 141
2n = 141 + 1
2n = 142
n = 142/2
n = 71
Answer:
4/10 and the percentage is 40%
Step-by-step explanation:
2x + 3 + x = 24. Add all like terms
3x + 3 = 24 subtract 3 from each side
3x = 24 divide each side by 3
x = 7
17 students got A’s and 7 students got Lower grades
27x^3 + 162x^2 + 324x + 216