Solve the problem.A boat is moving away from shore in such a way that at time t hours its distance from shore, in kilometers, is given by the linear function 
What is the rate of change of the distance from shore?
A. 9.1 km/hr
B. 4.5 km/hr
C. 9.1 m/s
D. 4.5 m/s
Answer: B
Mathematics
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Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 7x2 - 5y2 - 2z2
A. Yes B. No
Mathematics
Write the percent as a fraction in the lowest terms.978%
A. 9
B. 9
C. 9
D. 9
Mathematics
Find the product. Simplify before performing the multiplication.
? 
A. 
B. 
C. 
D. 
Mathematics
Factor completely, or state that the polynomial is prime.18y2 + 57y + 30
A. prime B. 3(2y + 1)(3y + 10) C. 3(10y + 5)(y + 2) D. 3(2y + 5)(3y + 2)
Mathematics