Factor by grouping.15x4 + 10x2 - 6x2 - 4
A. (15x2 + 2)(x2 - 2)
B. (5x2 + 2)(3x2 - 2)
C. (5x4 - 2)(3x + 2)
D. (5x2 - 2)(3x2 + 2)
Answer: D
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Solve the problem.A meteorologist in the Upper Peninsula of Michigan predicts an overnight low of 
Fahrenheit. What would a Canadian meteorologist predict for the same location in Celsius?
A. -3.9° B. -39° C. -7° D. -21.7°
Simplify the decimal expression.36 - 0.0353
A. 36.0353 B. 35.4647 C. 35.9647 D. 36.0647
Solve the problem.A toy company uses the linear model y = -5x + 560 to predict the decline in sales of a toy after it has been on the market more than one year. If x is the number of months after the first year and y is the number of toys sold in hundreds during that month, how many toys will be sold 7 months after the first year?
A. -279,300 toys B. 52,500 toys C. 59,500 toys D. -11,060 toys
Determine whether the infinite geometric series converges or diverges. If it converges, find its sum.3 - 
+ 
- 
+ . . .
A. Converges; - 
B. Converges; 
C. Converges; 
D. Diverges