Graph the interval on a number line and write the inequality notation as well.[-3, 0]
A. -3 < x < 0
B. -3 < x ? 0
C. -3 ? x < 0
D. -3 ? x ? 0
Answer: D
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Provide an appropriate response.Ryan would like to compare how his various investment choices within his company's 401(k) plan have performed over the last year. This would be best done using a:
A. frequency distribution B. line graph C. circle graph D. bar graph
Factor.30 - 7x - 2x2
A. -(2x - 6)(x + 5) B. -(2x + 6)(x - 5) C. -(2x + 5)(x - 6) D. -(2x - 5)(x + 6)
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(5, -2)} B. {(-6, -2)} C. no solution; ? D. {(-5, -3)}
Simplify the polynomial, if possible. Write the result with descending powers.-7m2 + 8m2 - 3m2 - 9m2
A. -11m2 B. Cannot be simplified; -7m2 + 8m2 - 3m2 - 9m2 C. -11m8 D. -22m