Answer:
Step-by-step explanation:

∴Zero power of any number is equal to 1
21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8
Answer:
Step-by-step explanation:
1. (A) 96:38, 38:96, 96/38
(B) The two ratios are the same as they represent the same thing just reversed
2(A) 38:46
(B) The simplest form means that you must simplify it and you get 19: 23
3 (A) For every 1 documentary movie there is 2 comedy movie
(B)For every3 kid movie, there is 4 horror movie
hope that helps, sorry for the simplified answers as I am in a bit of a rush too
Answer:
Speed of car B is 33 km/h and speed of car A is 
Step-by-step explanation:
Let speed of car B be
km/h
Speed of car A is 12 km/h more than car B.
Therefore,
Speed of car A =
km/h
Distance = Speed × Time
Distance travelled by car A in 4 hours =
km =
km
Distance travelled by car B in 4 hours =
km
Also, cars A and B are 312km apart after 4 hours.

Speed of car B is 33 km/h and speed of car A is 