Find log 47.2 to four decimal places.

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two