A student solved the equation 7x - 5 - 5x = 15 and found x = 5. What is the student's error?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?