Solve the equation for 10 points

6x+7=8x−15

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?