Dose anyone know how to do Intro to slope-intercept form please

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.