Solve the system of nonlinear equations using the method of elimination.
A. (
, 
), (-
, -
)
B. (
, 
), (
, -
), (-
, 
), (-
, -
)
C. (
, 
), (
, -
)
D. (
, 
), (
, -
), (-
, 
), (-
, -
)
Answer: B
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Determine all values that cause the expression to be undefined.
A. - 
B. -18
C. 0
D. 
Solve the problem.The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the measure of angle C is 60° larger than each of A and B. What are the measures of the three angles?
A. A and B: 40°; C: 100° B. A and B: 50°; C: 80° C. A and C: 80°; B: 50° D. A and B: 100°; C: 40°
?Use the functions 
in C[-1, 1] to find 
for the inner product 
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Write the number in scientific notation.Light with a wavelength of 0.0002 meters is in the infrared portion of the electromagnetic spectrum.
A. 2 × 10-3 B. 2 × 104 C. 2 × 10-4 D. 2 × 10-5