8. Odessa Dilulo demonstrates home fire alarm systems. She is paid $10.00 per demonstration for the first 10 demonstrations given during a week
and $15.50 for each demonstration over 10. Also, for every sale, she gets
a bonus of $15.00. What is her commission for a week in which she gives
18 demonstrations and makes 6 sales?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Write the equation in general quadratic form: plz !