Which of the following subsets of m3(ℝ) are subspaces of m3(ℝ)? (note: m3(ℝ) is the vector space of all real 3 x 3 matrices) a. the invertible 3×3 matrices b. the 3×3 matrices with all zeros in the second row c. the diagonal 3×3 matrices d. the 3×3 matrices in reduced row-echelon form e. the 3×3 matrices whose entries are all integers f. the symmetric 3×3 matrices

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x