The first one, the opposite of any negative number is the same number but positive...and vise versa.
B. because you are still multipying they just broke it down (7*24)= 168 , and b also = 168
Answer:
270 s
Step-by-step explanation:
4 minutes = 240s
add the other 30s
boom
Answer:
36 : 29
Step-by-step explanation:
Require to simplify the ratio
180 : 145
Divide both parts by 5
= 36 : 29 ← in simplest form
Simplest form means that no other number but 1 will divide into the 2 parts of the ratio.