Olivia wants to record her favorite songs to one CD. The function t = 40 - 5n represents the recording time t available after n songs are recorded.
Find the zero of this function. Describe what this value means in this
context.

Olivia can record 7 songs and have some time left on the CD.

Olivia can record 10 songs and have 0 time left on the CD.

Olivia can record 9 songs and have some time left on the CD.

Olivia can record 8 songs and have 0 time left on the CD.

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.