Gracie can purchase 5 oranges for $4 but she only wants one what is the cost of one orange

1. what are the missing reasons in the proof 2. it's in the second picture and 3

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .