Use the square root property to solve the quadratic equation.(2x + 5)2 = 49
A. 1, 6
B. 27, -27
C. 0, 1
D. 1, -6
Answer: D
Mathematics
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Solve the equation or inequality.-3 < 2(x - 2) ? 2
A. 
B. 
? 
C. 
D. 
Mathematics
Find the probability.Assuming that boy and girl babies are equally likely, find the probability that a family with four children has all boys given that the first two are boys.
A. 
B. 1
C. 
D. 
Mathematics
Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.10 - 10x + 2 ? -11x + 7
A. x < -10 
(-?, -10)
B. x ? -5 
[-5, ?)
C. x > -10 
(-10, ?)
D. x ? -5
(-?, -5]
Mathematics
Solve the problem.The parking lot at a grocery store has 80 cars in it. 20% of the cars are blue. How many cars are blue?
A. 40 cars B. 16 cars C. 160 cars D. 400 cars
Mathematics