Use formulas for perimeter and area to solve the problem.Jordan has a trapezoidal yard. Part of the yard is covered by his home, and the rest is covered in grass. Use the drawing to determine how many square feet of grass are in the yard.
A. 4883.5 ft2
B. 10,848 ft2
C. 5964.5 ft2
D. 5950 ft2
Answer: A
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = (9x4y3 + 2)2
A. 
= 72x3y3(9x4y3 + 2); 
= 54x4y2(9x4y3 + 2)
B. 
= 36x3y3; 
= 27x4y2
C. 
= 54x4y2(9x4y3 + 2); 
= 72x3y3(9x4y3 + 2)
D. 
= 2(9x4y3 + 2); 
= 2(9x4y3 + 2)
Mathematics
Evaluate the integral.
dx
A. 
+ C
B. 
+ C
C. 
+ C
D. 
5 + C
Mathematics
Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000 B. $30,000-$35,000 C. $50,000-$55,000
Mathematics
Find a general term an for the geometric sequence.a1 = - 
, r = 7
A. an = 
n-1
+ 
B. an = - 
? 7n-1
C. an = - 
+ 
(n - 1)
D. an = - 
+ 
(n - 1)
Mathematics