Answer: $357.5
Step-by-step explanation:
Given: At a sporting goods store, the price of a bicycle = $650
During a sale, this price is marked down 45%.
Discount on price = 45% of $650
Therefore, the sale price of the bicycle= 
Hence, the sale price of the bicycle is $357.5
Answer:
x = -8
Step-by-step explanation:
Set the function f(x)=9-2x equal to 25, and then solve the resulting equation for x:
9 - 2x = 25.
Isolate the -2x term by subracting 9 from both sides:
-2x = 16
Finally, solve for x by dividing both sides by -2:
x = -16/2, or x = -8
Answer: $1841.38 .
Step-by-step explanation:
Given, the equation 
fits the graph of stock XYZ over the past month with an r=value of 0.9894.
At x= 19,
Hence, At x= 19 days , the worth of XYZ will be $1841.38 .
Answer:
97 meters
Step-by-step explanation:
The area of a rectangle is its length multiplied by its width. Substitute the known values into this equation and solve for the length, l:
a = lw
8342 = 86l
l = 97
