The lines mean that the number is going to become positive. |-178| will become positive meaning it will become= |178|
Answer:
a·a-b·b
Step-by-step explanation:
x = 8/7
hope this helps on whatever you are doing!
Answer:
20: 9t+12
21: 18x
22: 105x+9
24: 156r
25: 3x+11
26: 25.2x
28: 56a
29: 1.5n
30: 13q
Step-by-step explanation:
hope this helped
brainliest please
Answer:
16 tricycles
12 bicycles
Step-by-step explanation:
If all were bicycles, there would be 28·2 = 56 wheels. Each additional wheel indicates the presence of a tricycle instead of a bicycle.
There are 72 -56 = 16 tricycles. The remaining 28-16 = 12 are bicycles.
