The assignment is about : subtract polynomials
what i have to do : subtract the polynomials, showing all the steps necessary to write the answer in simplest form.

2. (3x^1 + 8) - (2x^2 + 1)

can you also explain what you did ?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

What is the range? can’t seem to find it out