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Which of the following is equivalent to the sum of the expression a^2 - 1 and a + 1? A) a^2 + a B) a^3 - 1 C) 2a^2 D) a^3 a^2 - 1 + a + 1 The...
Which of the following is equivalent to 9^3/4? Since 9 is 3^2, we have 3^(3*2/4) which is 3^6/4 Since 6/4 is 3/2, we have: 3^(3/2) Since 3/2 is...
If (a - b)/b = 3/7, which of the following must also be true? A) a/b = -4/7 B) a/b = 10/7 C) (a + b)/b = 10/7 D) (a - 2b)/b = -11/7 We can...
If 3r = 18, what is the value of 6r + 3? A) 6 B) 27 C) 36 D) 39 If we type in the equation 3r = 18 into our search engine, we get: r = 6 Take r...
If x = 2y/3 and y = 18, what is the value of 2x - 3? A) 21 B) 15 C) 12 D) 10 Substitute the values into the equation: 2(2y/3) - 3 <-- Given x...
If 3(c + d) = 5, what is the value of c + d? A) 3/5 B) 5/3 C) 3 D) 5 Divide each side of the equation by 3 to isolate c + d 3(c + d)/3 = 5/3...
The expression (5x - 2)/(x + 3) is equivalent to which of the following? A) (5 - 2)/3 B) 5 - 2/3 C) 5 - (2/(x + 3)) D) 5 - (17/(x + 3)) Let's...
Which of the following is equivalent to 3(2x + 1)(4x + 1)? A) 45x B) 24x^2 + 3 C) 24x^2 + 18x + 3 D) 18x^2 + 6 First, multiply the binomials:...
A local radio station sells time slots for programs in 20-minute intervals. If the station operates 24 hours per day, what is the total number of...
Aaron is staying at a hotel that charges $99.95 per night plus tax for a room. A tax of 8% is applied to the room rate, and an additional onetime...
If (x - 1)/3 = k and k = 2, what is the value of x? If k = 2, we have: (x - 1)/3 = 2 Cross multiply: x - 1 = 3 * 2 x - 1 = 6 Type this equation...
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