Write the equation 
in logarithmic form.
a. log 81 3 =4
b. log 4 81 = 3
c. log 3 4 = 81
d. log 3 81 = 4
e. log 4 3 = 81
d. log 3 81 = 4
Mathematics
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Rewrite the fractions using the least common denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
Solve.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 1 lb C. 3 lb D. 2 lb
Mathematics
Use FOIL to multiply.(4x - 11)(x - 7)
A. 4x2 - 40x + 77 B. x2 - 39x - 40 C. x2 + 77x - 39 D. 4x2 - 39x + 77
Mathematics
Find the value of the missing number.-17 = ? - 2
A. 15 B. 19 C. -19 D. -15
Mathematics