Answer:
1 and 4 are correct :)
Step-by-step explanation:
we are given

now, we can find x , y and z components

Arc length calculation:
we can use formula


now, we can plug these values

now, we can simplify it




now, we can solve integral


now, we can plug bounds
and we get

so,
..............Answer
Answer:
Jake does have enough to buy a dog bone that cost $1.49
Step-by-step explanation:
6 quarters = $1.50
2 dimes = $0.20
1 nickel = $0.05
So add it all together: $1.50 + $0.20 + $0.05 = $1.75