Simplify.
A. 1
B. 
C. 0
D. -1
Answer: A
Mathematics
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Solve using the addition principle.b - 12.18 = 0
A. -12.18 B. 12.18 C. -11.18 D. 11.18
Mathematics
Evaluate the expression.rcot 270° + 8 cos 180° + 3 sec2 360°
A. 4 B. -8 C. 11 D. -5
Mathematics
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 feet. Find the length of the ladder if the length is 4 feet more than its distance from the wall.
A. 16 ft B. 24 ft C. 12 ft D. 20 ft
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined
Mathematics