X² + x - 20
= (x+5)(x-4)
x + 5 = 0
x = -5
x - 4 = 0
x = 4
hence the answer is C
X = -2.5 because:
-7.6+5.1= -2.5
0.99c+0.79a = c represents the number of cucumbers and a is representing the apples. written in a longer form it would be 0.99xc+0.79xa=
Answer:
1.9 Seconds
Step-by-step explanation:
The equation that models the height of the object is given as:

The object will land when its height, h(t)=0

The object will land after 1.9 seconds.