In the equation -y = 10x, what is the unit rate?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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?