1.1 Given the linear pattern: 5 ; -2 ; -9 -289 1.1.1 Write down the constant first Difference

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

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

8.74 rounded to the nearest whole number