Multiply.-3 ? (-3)
A. 9
B. -12
C. -9
D. 12
Answer: A
You might also like to view...
Find the unit tangent vector of the given curve.r(t) = (8 + 2t8)i + (6 + 10t8)j + (4 + 11t8)k
A. T = 
i + 
j + 
k
B. T = 
i + 
j + 
k
C. T = 2i + 10j + 11k
D. T = 
i + 
j + 
k
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Determine the family of angles for which the following angle belongs, sketch the angle, and then determine the angle of least positive measure, ?C, coterminal with the given angle.? = 
A. quadrantal family; ?C = 2?
B. 
family; ?C = 
C. 
family; ?C = 
D. quadrantal family; ?C = 
To find the number of units that gives break-even for the product, solve the equation R = C. Round your answer to the nearest whole unit.A manufacturer has total revenue given by the function R = 70x and has total cost given by 
where x is the number of units produced and sold.
A. 1208 units B. 120 units C. 7250 units D. 20 units