Find the area of the geometric figure.Trapezoid
A. 203.3 sq in.
B. 128.4 sq in.
C. 53.5 sq in.
D. 256.8 sq in.
Answer: B
Mathematics
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Write in terms of the cofunction of a complementary angle.cot 
A. cos 
B. sin 
C. tan 
D. tan 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Mathematics
Provide an appropriate response.The cost C of processing exhaust gases so that you remove all but x percent of the pollutants is given by 
Find the values of x for which C < 0. Discuss the meaning of the results.
What will be an ideal response?
Mathematics
Solve the problem.pH = -log10[H+] Find the [H+] if the pH = 1.4.
A. 2.51 x 10-1 B. 2.51 x 10-2 C. 3.98 x 10-2 D. 3.98 x 10-1
Mathematics