A collection of 16 coins, each with a face value of either 10 cents or 25 cents, has a total face value of $2.35. How many of the coins have a face value of 25 cents? A. 3 B. 5 C. 7 D. 9 E. 11 Correct Answer: B Full explanation coming soon. Send us a note if […]
Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at 11:00 a.m. heading west. At a particular time later that day, the dispatcher retrieved data from SD’s vehicle tracking system. The data showed that, up to that time, Al had averaged
If p ≠ 0 and p – (1–p²)/p = r/p, then r = A. p + 1 B. 2p − 1 C. p² + 1 D. 2p² − 1 E. p² + p − 1 Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll
If p ≠ 0 and p − (1−p²)/p = r/p, then r = Read the Full Article »
If x² − 2 < 0, which of the following specifies all the possible values of x? A. 0 < x < 2 B. 0 < x < √2 C. -√2 < x < √2 D. -2 < x < 0 E. -2 < x < 2 Correct Answer: C Full explanation coming soon. Send us a note
The function f is defined by f(x)=√x −10 for all positive numbers x. If u = f(t) for some positive numbers t and u, what is t in terms of u? A. √(√u + 10) B. (√u + 10)² C. √(u² + 10) D. (u + 10)² E. (u² + 10)² Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the
