Multiply using a special product formula.(x + 9)2
A. 81x2 + 18x + 81
B. x2 + 18x + 81
C. x + 81
D. x2 + 81
Answer: B
Mathematics
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Solve the problem.You want to make an angle measuring 150° by marking an arc on the perimeter of a disk with a diameter of 8 inches and drawing lines from the ends of the arc to the disk's center. To the nearest tenth of an inch, how long should the arc be?
A. 10.5 in. B. 5.2 in. C. 41.9 in. D. 20.9 in.
Mathematics
Evaluate the function at the given values of the variable.f(x) = 6x - 1
a. f(-1)
b. f(-2)
A. -5, -11 B. -6, -12 C. -7, -13 D. 6, 12
Mathematics
Use Cramer's rule to solve the system of linear equations.-5x + 9y = 45 3x - 2y = -10
A. (0, 6) B. (-1, 6) C. (0, 5) D. No solution
Mathematics
Simplify.(4p2s3)3(s2)
A. 4p6s11 B. 64p5s18 C. 64p6s11 D. 64p5s8
Mathematics