Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log7 7-12
A. -84
B. 7
C. 1
D. -12
Answer: D
Mathematics
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Find the limit.
csc-1 x
A. 0
B. - 
C. 
D. ?
Mathematics
Solve the triangle.a = 9, b = 6, c = 4
A. A = 32.1°, B = 20.7°, C = 127.2° B. A = 127.2°, B = 32.1°, C = 20.7° C. A = 127.2°, B = 20.7°, C = 32.1° D. A = 32.1°, B = 127.2°, C = 20.7°
Mathematics
Determine whether the statement is an expression or an equation.8m + 8 = 4m + 44
A. Equation B. Expression
Mathematics
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.part = 20, whole = 8
A. percent = 250% B. percent = 25% C. percent = 125% D. percent = 40%
Mathematics