No 2/3 and 5/6 are not equivalent ratios
.
If it is asking if that equation is the quadratic formula, then the answer is false. The reason why is that the first 'b' should be negative
The quadratic formula is

Answer:
Step-by-step explanation: A multiple is many, so if you were assigned to a
group project you would have multiple people in your group like more than 5 , 7 etc.
Or in math term if you're dividing a number by another number without a remainder
5 minutes x minutes
--------------- = -------------
4 dishes 24 dishes
using cross products
5 * 24 = 4 * x
divide each side by 4
5*24/4 = x
30=x
It will take 30 minutes