Convert the numeral to a numeral in base ten.15eight

A. 104
B. 48
C. 13
D. 23


Answer: C

Mathematics

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Solve the given differential equation.D4y + 18 D2y + 81y = 0

A. y = c1 sin 3x + c2 cos 3x B. y = (c1 + c2x)sin 3x + (c3 + c4x)cos 3x C. y = (c1 + c2x)sin x + (c3 + c4x)cos x D. y = (c1 + c2x)sin 3x + (c3 + c4x)ex

Mathematics

Solve.ABC phone company charges $25 per month plus  per minute for phone calls. XYZ phone company charges $15 per month plus 6¢ per minute for phone calls. How many minutes of phone calls should be made each month to make XYZ phone company a better deal?

A. Less than 50 minutes B. More than 500 minutes C. Less than 500 minutes D. More than 50 minutes

Mathematics

Rationalize the denominator and simplify.

A.
B.
C.
D.

Mathematics

Simplify the exponential expression.(x-1y6)-3

A.  
B.  
C.
D.  

Mathematics