Astudent noticed that the ivy leaves growing on the shady side of a building were larger than ivy leaves growing on the sunny side of the same building. the student collected and measured the maximum width, in centimeters, of 30 leaves from each habitat. use statistical analysis to determine if it’s likely that there is a significant difference in leaf size between the shady and sunny ivy plants with 95% confidence (±2 se).

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.

think the answer would beb

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock