Answer:
15:21 = 5:7
Step-by-step explanation:
21/7 = 3
5 x 3 = 15
Answer:
(-4)3/(-4)-12
-12/48
-1/4
Step-by-step explanation:
PEMDAS
do multiplication then division
Answer:
=5
Step-by-step explanation:
-7-6(-2)
-7+12
=5
sorry didn't read it right
U=mgh ⇒h=U/mg
Answer: h=U/mg
72/8 +3*4 - 105 /5
= 9 + 12 - 21
= 21 -21
= 0