Find the sum.1 + 3 + 5 + ... + 1415
A. 502,681
B. 499,849
C. 501,264
D. 501,972
Answer: C
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. -10x - 10y + 12z = 8 B. x + y + z = 8 C. x + y + z = 1 D. -10x - 10y + 12z = 1
Solve the problem.The percent p of high school students who participate in sports at a public high school can be modeled by 10p - 16x = 224,where x is the number of years after 2010. Interpret the slope as a rate of change if x is the independent variable.
A. The percent of high school students who participate in sports at this school is decreasing by 1.6 percent per year. B. The percent of high school students who participate in sports at this school is increasing by 16 percent per year. C. The percent of high school students who participate in sports at this school is decreasing by 16 percent per year. D. The percent of high school students who participate in sports at this school is increasing by 1.6 percent per year.
Factor the difference of two squares completely.36x2 - 49
A. (6x + 7)2 B. (6x + 7)(6x - 7) C. (6x - 7)2 D. Prime
Solve the equation by factoring.4x2 - 100 = 0
A. 5
B. 
C. ±20
D. ±5