Gente, alguém pode me ajudar respondendo essas questões? Pois não estou entendendo!​

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!

the equation is not included but the answer is (1.50, 2.00, 2.75)

step-by-step explanation:

i’m kinda new to precal but your answer should be 21. hope i got it right.

step-by-step explanation:

c.

step-by-step explanation: it's not a. because 1/3 x 1/3 x 1/3 = 1/27 so that's not correct. | b. is also not correct because 7 x 7 1/3 is not actually 3 x 7 1/3 . and for d. multiplications are not additions so that left you with c. ( hope this out : d )