Describe the parts of this algebraic expression using the lesson’s vocabulary. Negative x + 10.2 minus one-half x + y

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Is there an x intercept in the equation 60*1.15^x

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution