Provide an appropriate response.If A = 
and B = 
, find -4A + 5B.
What will be an ideal response?
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Calculate.4 - (-6) - (-13)
A. -3 B. -15 C. 23 D. -23
Solve the problem.A defendant in a collision case claims that he was traveling at 36 miles per hour (which happens to be under the speed limit) around a blind curve and did not have time to swerve to miss rear-ending the plaintiff, who had just pulled into the road. The investigating officer determines that any speed less than 60 feet per second would have allowed time to brake or swerve to avoid the collision. How would you judge the defendant?
A. Not guilty. Because the defendant was traveling 64 ft./sec., he did not have enough time to stop. B. Guilty. Because the defendant was traveling only 53 ft./sec., he should have had enough time to stop.
Solve the problem.In 1999 the stock market took big swings up and down. A survey of 970 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 
A. 25.46% B. 27.32% C. 28.87% D. 24.02%