-2.1 because each dash represents 0.1
Answer:
10x^2+76x+144
Step-by-step explanation: ayo if i helped thank me i hoped i did have a great day
20 x 1/2 = 10
There are 10 rows that are planted with corn.
Let's call our number <em>x</em>.
So we can setup the equation x² = 100.
To solve this equation, we square root both sides.
So we have x = ±10.
Always use plus or minus when square rooting both sides
of an equation so our answer is not only 10, it's also -10.
