Determine whether the equation has no solution, one solution, or infinitely many solutions.-9(x + 5) + (17x) = 8(x + 9) - 17
A. Infinitely many solutions
B. One solution
C. No solutions
Answer: C
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Solve the problem.You are considering buying 15 silver coins that look alike, but you have been told that one of the coins is a lightweight counterfeit. How can you determine the lightweight coin in a maximum of three weighings on a balance scale?
What will be an ideal response?
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = sin-1(x2 + y2)
A. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0,0) and radii r, 0 < r ? 1
B. Domain: all points in the xy-plane; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
C. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at (0, 0)
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
Provide an appropriate response.Write eight and seventeen hundredths using numbers.
A. 8.017 B. 817 C. 8.17 D. 8.0017
Solve.In a practice run, a race car driver's speed is clocked at 135.875 mph at the end of her first lap, and at 175.059 mph at the end of the next lap. How much faster was she driving at the end of the second lap?
A. 39.084 mph B. 39.194 mph C. 39.184 mph D. 40.184 mph