Solve for variable.

3k = 36

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

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers