Change the logarithmic expression to an equivalent expression involving an exponent.logb216 = 3

A. 3b = 216
B. 216b = 3
C. b3 = 216
D. 2163 = b


Answer: C

Mathematics

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Find T, N, and B for the given space curve.r(t) = (t2 - 9)i   + (2t - 1)j  + 5k 

A. T = i  - j; N = - i  - jB = -k
B. T = i  + j; N = i  - jB = k
C. T = i  + j; N = i  - jB = -k
D. T = i  + j; N = i  - jB = -k

Mathematics

Solve.There were 21 yards of wire on a spool. After a customer bought 3 yards of wire from the spool, how many yards were left?

A. 18 yd.
B. 17 yd.
C. 16 yd.
D. 17 yd.

Mathematics

Solve the system.x - y + z = -1x + y + z = -11x + y - z = -3

A. {(-2, -5, -4)} B. ? C. {(-4, -2, -5)} D. {(-2, -4, -5)}

Mathematics

Provide an appropriate response.Verify the identity using the definitions of hyperbolic functions.  coth (-x) = -coth x

What will be an ideal response?

Mathematics