Trisha = $5
beto and jeremy = $60
jeremy = ½ beto
beto = $ 40
jeremy = $20
Answer: 5 seconds
<u>Step-by-step explanation:</u>
Maximum height is the y-value of the vertex. The number of seconds at maximum height is the x-value (aka axis of symmetry).
h(x) = -2x² + 20x + 48
a=-2 b=20 c=48
Axis of symmetry: x = 
= 
= 
= 5
Answer:
80
Step-by-step explanation:
89^2-39^2=6400, 6400=80^2
The answer to this is 50 x 10 the 9th power.
Hope this helps :)