Solve.Noise at a construction site has an intensity level of 10-5 watt per square meter. How many decibels is this noise?
A. 7 decibels
B. -70 decibels
C. 700 decibels
D. 70 decibels
Answer: D
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Perform the indicated operations. Leave the result in polar form.
A. 
B. 
C. 
D. 
Find the missing parts of the triangle. A = 44.29°a = 51.82 ydb = 63.64 ydIf necessary, round angles and side lengths to the nearest hundredth.
A. no such triangle B. B1 = 59.04°, C1 = 76.67°, c1 = 72.21 yd B2 = 120.96°, C2 = 14.75°, c2 = 18.89 yd C. B = 59.04°, C = 76.67°, c = 72.21 yd D. B1 = 76.67°, C1 = 59.04°, c1 = 72.21 yd B2 = 14.75°, C2 = 120.96°, c2 = 18.89 yd
Provide an appropriate response.Write 8 cubed, using symbols.
A. 38 B. 83 C. 8 ? 3 D. 82
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.t-7 ? t4 ? t-6
A. 
B. 
C. t9
D. t17