-60x^3 + 480, that’s what I got
Answer:1) c. 5,9,13,17,21
2) a. a1=8, an=an-1 -2
Step-by-step explanation: 1) an=4n+1
⇒ a1=4×1+1=5
a2=4×2+1=9
a3=4×3+1=13
a4=4×4+1=17
a5=4×5+1=21
2) clearly a1=8 and then the terms of series are decreasing by 2
so, an=an-1 -2
For a which one the lifeguard or snack hut at the pool which one would take longer to save money
Answer:they all equal 69
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
15 x 2 = 30