Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 25.2 cm
B. 4.8 cm
C. 2.4 cm
D. 5.0 cm
Answer: D
Mathematics
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Round the whole number to the given place value.205,829, ten-thousands
A. 200,000 B. 300,000 C. 205,000 D. 210,000
Mathematics
Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = -0.9x
A. 
x-intercept is 0.
B. 
x-intercept is 0.
C. 
x-intercept is 0.
D. 
x-intercept is 0.
Mathematics
Graph the function.y = 4 tan 2x
A. 
B. 
C. 
D. 
Mathematics
Use the product-to-sum or sum-to-product identities to find an identity for the given expression.7 sin 12? cos 20?
A. 
(sin 32? - sin 8?)
B. -
(sin 32? + sin 8?)
C. 
(cos 32? + sin 8?)
D. 
(sin 8? - cos 8?)
Mathematics