PLEASE HELP I WILL GIVE 25 POINTS!! Johnny said that the graph of the quadratic from the table below opened down and had solutions of 0 and 4. Is Johnny correct? What did he do wrong and how do you know?

How many lines can be drawn through points j and k? 0 1 2 3

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m