Acell phone company orders 600 new phones from a manufacturer. if the probability of a phone being defective is 3.5%, predict how many of the phones are likely to be defective. round to the nearest whole number. 18 phones 26 phones 210 phones 21 phones

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas