B^2-4ac> 0 means the root is real
true or false

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points

Use the equation and type the ordered-pairs. y = 2 ^x

What is the measure of angle lkj ? round to the nearest whole degree