Answer:
b
Step-by-step explanation:
3x-1=16*2
3x=32+1
3x=33/:3
x=11
1/2
4/8 are red. If you simplify that you get 1/2.
3 hours
We can solve using ratios
18 lbs 12 lbs
------------ = --------------
4.5 hrs x hours
Using cross products
18x = 12 * 4.5
18x = 54
Divide by 18
18x/18 = 54/18
x=3
dont know what the expressions are but imma just guess its doing scientific notation, 8.73 x 10^-11