In more conventional notation, ...
b(x) = -15x² +450x +325 . . . . 0 ≤ x ≤ 24
For 1990, x = 1990 - 1983 = 7
b(7) = -15·7² +450·7 +325 = 2740
The value of the card in 1990 was 2740.
25% because if you simplify the fraction, it would be 1/4 and that is equal to 0.25
Answer:
Slope= 3/5
y-intercept= -3
Step-by-step explanation:
The answer is 23 because they have to add up to 90 :) - beanz
Step-by-step explanation:
55/12
hope this helps:)