Perform the indicated operations and simplify.
What will be an ideal response?
Mathematics
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Solve the problem.In a triangle, one angle is 2 times as large as another. The measure of the third angle is 140° greater than that of the smallest angle. Find the measure of each angle.
A. 10°, 20°, 150° B. 20°, 40°, 120° C. 15°, 30°, 135° D. 10°, 20°, 140°
Mathematics
Use half-angle identities to find the exact value of the expression.sin 22.5°
A. - 
B. - 
C. 
D. 
Mathematics
An 8-foot ramp makes an angle of 27° with the horizontal. What is its slope? How far above the lowest point of the ramp is the highest point?
What will be an ideal response?
Mathematics
Refer to the graph of the function f(x). Provide an appropriate response.Find f(-3).
A. -5 B. -1 C. 0 D. 1
Mathematics