Haseem was given the following enlargement.
3 cm
6 cm
5 cm
225 cm
Figures not drawn to scale.
What is the perimeter, in centimeters, of the enlarged triangle?
13.5
27
49.5
63

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.