Use the quadratic formula to solve x² + 7x + 8 = 0. what are the solutions to the equation? round irrational solutions to the nearest tenth.

x=−6.9 and x=−0.15
x=−7 and x=−1
x=−5.6 and x=−1.4
x=−8 and x = 1

Which expression is equivalent to? assume x > 0 and y > 0.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !