Write the ratio or rate in simplest form.7.2 : 12.6
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Match the equation with the surface it defines.
- 
= 
A. Figure 3 B. Figure 2 C. Figure 4 D. Figure 1
Mathematics
Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (-6, -9, -10): f(x, y, z) = xyz - 5y2 - 8z
What will be an ideal response?
Mathematics
Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose the annual sales of a particular brand of appliance are given by the linear function 
where f(x) represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in 1991.
A. 900 B. 950 C. 1900 D. 1850
Mathematics