What is the y-intercept ? f(x) =2(x-5)^2+12

Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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