Nina is 5 years older than half of Robin's age r. Nina is 8 years old. What’s the equation I could use to find robins age put as many as possible.

Aline passes through 3,7 and 6,9 what equation represents the line

What does independent variable and dependent variable mean in math?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?