Solve the problem.Find the sum of all the integers from 33 to 71.
A. 1924
B. 1995
C. 1957
D. 2028
Answer: D
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. z = 0 B. x + y + z = 0 C. x - y = 0 D. x + y = 0
Mathematics
Find the area of the shaded region.y = x2 - 4x + 3
A. 3
B. 
C. 
D. 
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-150°)
A. 
B. 
C. 
D. - 
Mathematics
Solve the problem.Suppose a cost-benefit model is given by 
where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 35% to the nearest dollar.
A. $2500 B. $1346 C. $875 D. $538
Mathematics