Solve using the addition principle.-16 + n = 20
A. 4
B. -4
C. 36
D. -36
Answer: C
Mathematics
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Use the LCD to clear fractions and solve the given equation.
x - 
x = 5
A. -35 B. 40 C. -40 D. 35
Mathematics
Verify the identity.
= cos 2x
What will be an ideal response?
Mathematics
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.121x2 + 121y2 - 88x - 132y - 433 = 0
A. The x-intercept is x ? 41.2, and the y-intercept is y ? 40.4. B. The two x-intercepts are x ? 2.29 and x ? -1.56, and the two y-intercepts are y ? 2.51 and y ? -1.42. C. The two x-intercepts are x ? 4.22 and x ? -3.49, and the two y-intercepts are y ? 4.48 and y ? -3.39. D. There are no intercepts.
Mathematics
Evaluate the expression.274/3
A. 81 B. 2187 C. 729 D. 243
Mathematics