Find the LCD of the list of fractions.

A. 15
B. 30
C. 10
D. 6


Answer: B

Mathematics

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Find the product. Simplify before performing the multiplication. ?  ? 

A.
B.
C.
D.

Mathematics

Evaluate the expression.

A. 1 B. 11 C. 0 D. 39,916,800

Mathematics

Graph the ellipse. +  = 1

A.

B.

C.

D.

Mathematics

The power, in watts, dissipated as heat in a resistor varies jointly with the resistance, in ohms, and the square of the current, in amperes. A 45-ohm resistor carrying a current of 1 ampere dissipates 45 watts. How much power is dissipated in a 40-ohm resistor carrying a current of 2 amperes? ?

A. ?
B. ?
C. ?
D.
E. ?

Mathematics