Please help

how long would it take lin and noah to run 1 mile at that rate?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)

What number is 7 units left of -15?