Simplify the expression.
A. 3
B. 6
C. 4
D. 5
Answer: A
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Express in standard notation.8.724 × 106
A. 523.44 B. 87,240,000 C. 8,724,000 D. 872,400
Factor completely.x2 + 4x + 3
A. (x + 3)(x + 4) B. (x + 3)(x - 1) C. (x + 1)(x + 3) D. (x - 1)(x - 3)
Complete the exercises using counting techniques. A shoe store carried one brand of shoe in 5 styles, 5 sizes, and 4 colors. How many types of shoes were available for this one brand?
A. 100 B. 40 C. 14 D. 125
Provide an appropriate response.Explain the mistake in the following problem:27 - 4(34 - 40)= 27 - 4(-6)= 23(-6)= -138
A. 23 multiplied by -6 does not equal -138. B. 4 should be multiplied by -6 before subtraction from from 27. C. -6 multiplied by -4 equals 24. Therefore, the final step should be 23(24). D. The problem cannot be worked since (34 - 40) is negative.