Solve the problem.Find the sum of the first 5 terms of the geometric sequence 4, 12, 36, . . . .
A. 494
B. 483
C. 484
D. 481
Answer: C
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Let  figure 1.png)
and  figure 2.png)
. Find  figure 3.png)
What will be an ideal response?
Solve the formula for the specified variable.F = 
C + 32 for C
A. C = 
(F - 32)
B. C = 
C. C = 
D. C = 
(F - 32)
Use the pH scale to solve the problem. Negative ions, designated by the notation [OH-] are always present in any acid or base. The concentration, [OH-], of these ions is related to [H+] by the equation [OH-] ? [H+] = 10-14 moles per liter. Find the concentrations of [OH-] and [H+] in moles per liter for the substance with the following pH value. Round to two decimal places. pH = 12.2
A. [H+] = 6.31 × 10-13 [OH-] = 1.58 × 10-2 B. [H+] = 1.58 × 10-13 [OH-] = 6.31 × 10-3 C. [H+] = 6.31 × 10-11 [OH-] = 1.58 × 10-3 D. [H+] = 1.58 × 10-2 [OH-] = 6.31 × 10-13
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one