A spherical volleyball has a diameter of 20 cm. how much air is needed to fill the volleyball, in cubic centimeters? round your answer to the nearest centimeter. (use 3.14 for π.)

Tell whether you can make a unique triangle with sides measuring 5cm, 4cm, and 20cm.

An object is dropped from the top of a tower with a height of 1210 feet. Neglecting air resistance, the height of the object at time t seconds is given by the polynomial - 16t²+1210. Find the height of the object at t = 8 seconds.

Write the number 40/100 as tenths in fraction form and decimal form.

From a boat on the river below a dam, the angle of elevation to the top of the dam is 22°23'. If the dam is 2457 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot) ?

Find the domain of the following function f (x) = sqrt x-4. write your answer in interval notation.

Find the length of the midsegment to the nearest tenth. 70.0 31.0 35.0 16.7

At 1,932 feet My lake is the deepest lake. My neighbor's is 3,383 feet deeper. how deep is my neighbor's?

F (-2) = - 1 and g (1) = - 2 (Fog) (1)

A plane ticket cost b dollars for an adult ticket and k dollars for a child. Find an expression that represents the total cost for 9 adults and 3 children.

Use the distributive property to expand the expression. - (3a3 - 4b2) (12x - 9y - 5)