(ASSUMPTIONS: 6,000 miles are driven each year and the cost of a hybrid battery is $2,100) Carmen claims she needs to replace the hybrid battery after driving about 100,000 miles. is carmen correct or incorrect​

1/4 because there is 4 grades.

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

step-by-step explanation:

for volume, add base x height x width