An object is dropped from the top of a tall building. The height S of the object after t seconds is given by the equation S=−16t2+324. Find how many seconds pass before the object hits the ground. (Hint: The object is on the ground when S = 0.)

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Landon wrote that 3−2.6=4. which statement about his answer is true?