Solve the problem.A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 8 in. Find the total area of the window (to the nearest square inch).

A. 5196 in.2
B. 134 in.2
C. 22 in.2
D. 445 in.2


Answer: D

Mathematics

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Find all the second partial derivatives.f(x, y) = x ln (y - x)

A.  =  = - ;   =  =  
B.  =  =  ;   =  =  
C.  =  = - ;   =  = - 
D.  =  = - ;   =  =  

Mathematics

Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?r - 6? = 2

A. 8, -4 B. No solution C. 8, 4 D. -8

Mathematics

Solve the problem.Samuel consumed 2161 calories of food on Monday, 2337 calories on Tuesday, and 1820 calories on Wednesday. In order for Samuel's average calorie intake to equal a daily average of 2000 calories, how many calories of food must he consume on Thursday?

A. 2106 calories B. 1755 calories C. 1682 calories D. 2080 calories

Mathematics

Find the greatest common factor of the monomials.12x10 and 16x8

A. 16x2 B. 4x8 C. 4x10 D. 12x8

Mathematics