Answer the question or solve the problem.If a ? b, is it always true that -4a ? -4b? Explain.
What will be an ideal response?
No..Multiplying an inequality by a negative number requires reversing the inequality symbol. (Explanations will vary.)
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Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. B' - (A ? B) B. B - (A ? C) C. A' ? C' ? B D. B ? (A ? C)'
Solve the quadratic equation by factoring.x(5x + 28) = 12
A.
B.
C.
D.
Solve the problem.The combined SAT scores of the freshman class at a particular university are normally distributed with a mean of 1000 and a standard deviation of 100. What percentage of the freshmen class had combined SAT scores above 1110?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Annika invested in a plan that has an APR of 8%. She invested in a 11% APR account $2500 more than she invested in the 8% account. If the total interest from the investments after 1 year is $3695, then what is the total amount that she invested?
A. $33,500 B. $38,500 C. $20,500 D. $36,000