A daredevil jumps off the CN Tower and falls freely for several seconds before releasing his parachute. His height, h(t), in metres, t seconds after jumping can be modelled by h1(t)=−4.9t2+t+360. before he released his parachute; and h2(t)=−4t+142. after he released his parachute.

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.

i’m sorry but i don’t know sorry

step-by-step explanation:

classify each pair of angles as alternate interior, same-side interior, or corresponding angles.