Round off 478 to the nearest hundred

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?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.