Answer:
a = 50t
Step-by-step explanation:
The graph goes through (0,0) so the y intercept is 0
a=5t
a=50t
a=50 + t not it
a=10t
The slope is y/x since the y intercept is 0
m = 50/1 = 50
The equation for the line is
y = 50x+0
y = 50x
Using the variables given
a = 50t
Answer: x^(2)-3x-28=0
Step-by-step explanation:
b = 3
Step-by-step explanation:

Add similar terms :

Collect like terms and simplify

Answer:
B.
Step-by-step explanation:
The percent increase when 7200 increases by 1800 is 25 %
Answer:
1.8 x 10^3
Step-by-step explanation:
(8.1 x 10^8) / (4.5 x 10^5) = 1800
1800 = 1.8 x 10^3