Seventeen spires grace the majestic Cadet Chapel at the Air Force Academy in Colorado Springs, CO. Each spire is an isosceles triangle with a 40° vertex angle. Find the measure of each base angle.

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.

inch

step-by-step explanation:

yard and mile are too big.