Find the real solutions, if any, of the equation. Use the quadratic formula.7x2 = -8x - 2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.To obtain a certain shade of paint, Peter mixed 
of white paint with 
of brown and 
of blue paint. How much paint did he have?
A. 
gal
B. 11
gal
C. 3
gal
D. 
gal
Mathematics
Solve the problem.Suppose a cost-benefit model is given by y = 
, 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. $538 B. $9400 C. $3290 D. $5061
Mathematics
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A triangular pyramid with base area 20 ft2 and height 4 ft
A. 40 ft3 B. 27 ft3 C. 80 ft3 D. 25 ft3
Mathematics
Evaluate. 
A. 109,620 B. 27,405 C. 164,430 D. 657,720
Mathematics