28. The length of a rectangle is x - 7 and the width is x + 7. Find the area of the rectangle. (Hint: A = lw)
A.X2 + 14x - 49
B.X2-14X - 49
C. x2 + 49
D.X2 - 49
29. Which is the correct arrangement in finding the cube of a binomial?
i. three times the square of the first term times the second term
ii, the cube of the first term
Hi, the cube of the second term
iv. three times the first term times the square of the second term
A. i, ii, ili and iv B. i, iii, iv and i C. ii, i, iv and i
D. ii, ii, i and iv
A.X2 + 14x - 49
B.X2-14X - 49
C. x2 + 49
D.X2 - 49
29. Which is the correct arrangement in finding the cube of a binomial?
i. three times the square of the first term times the second term
ii, the cube of the first term
Hi, the cube of the second term
iv. three times the first term times the square of the second term
A. i, ii, ili and iv B. i, iii, iv and i C. ii, i, iv and i
D. ii, ii, i and iv
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