Rewrite the statement in the form "if p, then q".x = 8 if 2x + 9 = 25.
A. If 2x + 9 = 25, then x = 8.
B. If x ? 8, then 2x + 9 = 25.
C. If 2x + 9 ? 25, then x = 8.
D. If x = 9, then 2x + 9 = 8.
Answer: A
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Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.4
- 4i
A. 8(cos(330°) + i sin(330°)) B. 8(cos 30° + i sin 30°) C. 8(cos(-60°) + i sin(-60°)) D. 8(cos 150° + i sin 150°)
Solve.For three days in a row, volunteers picked up trash on a particular beach. They picked up a total of 810 pounds. On the second day they collected 21 pounds more than on the first day. On the third day, they picked up 39 pounds less than on the first day. How many pounds of trash did they pick up on the first day?
A. 264 pounds B. 290 pounds C. 276 pounds D. 708 pounds
Use negative exponents where necessary to write the expression with all variables in the numerator of a term. That is, write each term in the form cxn if the term contains a variable.y = 7x2 + 5 - 
+ 
A. y = 5 - 3x-1 + 10x-2 B. y = 7x2 + 5 - (3x)-1 + (3x)-2 C. y = 7x2 + 5 + x-1 + x-2 D. y = 7x2 + 5 - 3x-1 + 3x-2