Answer:
b plus 3 is equal to b squared
To answer this first we set up a proportion and then solve. Lets do it:-

Cross Multiply:-
80 · 4 = 320
Divide:-
420 ÷ 12 = 60
So, 180 ears of corn are for
$60.Hope I helped ya!!
Answer:
The two rates are equivalent.
Step-by-step explanation:
Here we'll find the respective unit rates and then compare those rates:
$168
----------- = $4/car
42 cars
$152
----------- = $4/car
38 cars
These two rates are precisely the same. Thus, we conclude that they are equivalent.
A right angle should be the correct answer.
Brainliest if it is correct!!!
Answer:
Its a very easy answer yar first trybit