Please help will mark brainliest in a test right now!

Step-by-step explanation:

This triangle is a 45-45-90 triangle. Thusly, it has the unique property where each leg is length x and the hypotenuse is . Since the hypotenuse is 18, each leg is equal to , which is for x and y.

the answer is 31.27mph

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.