Find the y-intercept point when 3y = 4x + 12.
a. 4/3
b. 3/4
c. 12
d. 4
e. 7
d. 4
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Graph the solution set of the system of inequalities.?x? ? 5y ? 3y ? x2 - 3
A. 
B. 
C. 
D. 
A car traveling along a straight road at 50 ft/sec accelerated to a speed of 80 ft/sec over a distance of 500 ft. What was the acceleration of the car, assuming it was constant? ?
A. 3.87 ft/sec2 B. 3.90 ft/sec2 C. 3.97 ft/sec2 D. 4.00 ft/sec2
Solve the problem.The concentration of alcohol in a person's blood is measurable. Suppose that the risk R (given as a percent) of having an accident while driving a car can be modeled by the equation R = 5ekxwhere x is the variable concentration of alcohol in the blood and k is a constant.Suppose that a concentration of alcohol in the blood of 0.07 results in a 10% risk 
of an accident. Find the constant k in the equation.Using this value of k, what is the risk if the concentration is 0.11?
What will be an ideal response?
The area of a rectangle is 
. Its width is 
. Find its length.
?
A. 
B. 
C. 
D. 
E. 