Find the area of the shaded region.y = 2x2 + x - 6y = x2 - 4
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is 
In how many years will there be 85% of the isotope left?
A. 234 years B. 813 years C. 750 years D. 1500 years
List all the elements of B that belong to the given set.B = {17, 
, -3, 0, 
, , 0.05, -5?, 0.999...}Irrational numbers
A. 
B. {
, -5?}
C. {
}
D. {
, -5?, 0.999...}
Solve the problem.Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $95 per pound and a blend of common wildflower seeds for $15 per pound. Kelly is creating a medium-price product by mixing together 25 pounds of the more expensive blend with 5 pounds of the less expensive blend. What will be the price per pound for the new blend? (Round to the nearest cent, if necessary.)
A. $7.73 per pound B. $22.27 per pound C. $28.33 per pound D. $81.67 per pound
Round as indicated.49,156 to the nearest thousand
A. 59,000 B. 50,000 C. 49,100 D. 49,000