An expression that models the number of mongoose on a small Caribbean island in terms of y, the number of years after 1950, is 520 + 8y. Identify which of the following statements is INCORRECT. The number of mongoose increases by eight for each year after 1950.
The number of mongoose on the island in 1950 is 520.
The number of mongoose on the island increases by a constant amount each year.
The number of mongoose on the island in 1950 is 8.

And explain how you got it so i can understand future problems : 3

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Use properties to rewrite the given equation. which equations have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p?