Solve the equation.
+ 7 = 15
A. {11}
B. ?
C. {-11, 5}
D. {11, -5}
Answer: D
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The time required to double the amount of an investment at an interest rate r compounded continuously is given by  figure 1.png)
. Find the time required to double an investment at 4%, 5%, and 6%.
What will be an ideal response?
Suppose that research has shown that the probability that a missile penetrates enemy defenses and reaches its target is 0.2. Find the smallest number of identical missiles that are necessary in order to be 50% certain of hitting the target at least once. ? __________ missiles
Fill in the blank(s) with the appropriate word(s).
Combine like terms, if possible.8x2 + 2x - 6x2 + 9x + 5
A. 2x4 + 11x2 + 5 B. 10x3 + 3x3 + 5 C. Not possible D. 2x2 + 11x + 5
Graph the equation.y = (x + 3)2
A. 
B. 
C. 
D. 