Answer: 5 hours
Step-by-step explanation: c=35•h+25
25=40•h-35•h; 25=5•h
Answer:
25.50=3.75h+0.50d
Step-by-step explanation:
Graphing them and see what the difference is
1) an = a1 + d*(n-1) => a20 = -4 + (-9)*19 = -4 - 171 = - 175
1) ---> C)
2) a81 = 20 + 4*80 = 340;
2) ---> A)
3) a12 = ?
3) ---> B) or D).
Lemme think bout it....no
