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Questions in Grade Middle-school

[Homework Help] A rectangle has an area of 32 square feet and a perimeter of 24 feet. What is the shortest side length, in feet, of the rectangle? A. 1 B. 2 C. 3 D. 4 E. 8

[Homework Help] \((a + 2b + 3c) - (4a + 6b - 5c)\) is equivalent to: A. \(-4a - 8b - 2c\) B. \(-4a - 4b + 8c\) C. \(-3a + 8b - 2c\) D. \(-3a - 4b - 2c\) E. \(-3a - 4b + 8c\)

[Homework Help] The sides of a square are 3 cm long. One vertex of the square is at (2,0) on a square coordinate grid marked in centimeter units. Which of the following points could also be a vertex of the square? A. (−4, 0) B. (0, 1) C. (1, −1) D. (4, 1) E. (5, 0)

[Homework Help] A function \( f(x) \) is defined as \( f(x) = -8x^2 \). What is \( f(-3) \)? F. \(-72\) G. 72 H. 192 J. \(-576\) K. 576

[Homework Help] The length of a rectangle is 3 times the length of a smaller rectangle. The two rectangles have the same width. The area of the smaller rectangle is \(A\) square units. The area of the larger rectangle is \(kA\) square units. Which of the following is the value of \(k\)? A. \( \frac{1}{9} \) B. \( \frac{1}{3} \) C. \( 1 \) D. \( 3 \) E. \( 9 \)

[Homework Help] What is approximate rhyme?

[Homework Help] What does it mean to "stay the course"?

[Homework Help] The expression \(-8x^3(7x^6 − 3x^5)\) is equivalent to: A. \(-56x^9 + 24x^8\) B. \(-56x^9 − 24x^8\) C. \(-56x^{18} + 24x^{15}\) D. \(-56x^{18} − 24x^{15}\) E. \(-32x^4\)

[Homework Help] The inequality \(6(x + 2) > 7(x - 5)\) is equivalent to which of the following inequalities? A. \(x < -23\) B. \(x < 07\) C. \(x < 17\) D. \(x < 37\) E. \(x < 47\)

[Homework Help] If \( r = 9 \), \( b = 5 \), and \( g = -6 \), what does \( (r + b - g)(b + g) \) equal? A. \(-20\) B. \(0\) C. \(-8\) D. \(19\) E. \(20\)