Solve the problem.A 15 cm by 18 cm rectangular garden is to have a gravel path of uniform width bordering it. How wide is the path if the total area covered by the garden and path is 418 cm2?
A. 1 cm
B. 3 cm
C. 2 cm
D. 3.5 cm
Answer: C
Mathematics
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Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 3.9 million B. 0.8 million C. 22 million D. 4.7 million
Mathematics
Determine whether the expression is a polynomial.
A. Yes B. No
Mathematics
Find all real solutions. Do not use a calculator.5x3 + 25 = x(x + 125)
A. 
B. 
C. 
D. 
Mathematics
Find the expected value of the probability density function to the nearest hundredth.f(x) = 
- 
; [3, 4]
A. 8.28 B. 3.53 C. 3.75 D. 3.50
Mathematics