A ball was floating in a lake when the lake froze. Less than half the ball was below the water/ice. The ball was removed (without breaking the ice), leaving a hole 42 cm across at the top and 9 cm deep. What is the radius of the ball

Mary had at least an 80% on her test write an inequality to represent this situation

What is the measure of ac? 5 units 13 units 26 units 39 units

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.