A ball is thrown from a height of 156 feet with an initial downward velocity of 8ft/s. The balls heihht h(in feet) after t seconds is given by the following h=156-8t-16t^2 what is this in seconds

An equation where variables are used to represent known values—function notation true or false

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Im so bad at fractions they are not my best math thing to work on