Berapa selisih detak jantung pada usia 15 tahun (t=15) dengan membandingkan rumus baru dan rumus lama? a. 9
b. 8,5
c. 7,5
d. 7
Berilah penjelasan atas pilihan kamu !

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!