Solve the problem.Find the volume of the rectangular solid with the following dimensions.Length = 5 inches, width = 8 inches, height = 7 inches

A. 56
B. 40
C. 280
D. 47


Answer: C

Mathematics

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Find the inverse of the function.f(x) = 7x3 - 4

A. Not a one-to-one function
B. f-1(x) =  + 4
C. f-1(x) = 
D. f-1(x) = 

Mathematics

Find the product.(-3)(-3)(-3)

A. -37 B. -27 C. 27 D. -17

Mathematics

Find the exact values of the remaining trigonometric functions of ? from the given information.cot ? = - , ? in quadrant IV

A. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 

Mathematics

Write a system of equations for the problem, and then solve the system.Two trains start from towns 572miles apart and travel toward each other on parallel tracks. They pass each other 5.5 hours later. If one train travels 18 mph faster than the other, find the speed of each train.

A. 63 mph; 41 mph B. 61 mph; 43mph C. 51 mph; 53 mph D. 56 mph; 48 mph

Mathematics