Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)

A. 21m
B. 21 + m
C. 21 + 7m
D. 21 + 3m


Answer: D

Mathematics

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Evaluate the given double integral by changing it to an iterated integral. S is the triangular region in the first quadrant bounded by the lines x = y/4, x = 1, y = 0, and y = 4

A. (e - 1)
B. (e - 1)
C. 64(e + 1)
D. e

Mathematics

Integrate the function.

A. -  + C
B.  + C
C.  + C
D. -  + C

Mathematics

Use divisions to convert the base ten numeral to a numeral in the given base. 89 to base seven

A. 66seven B. 1520seven C. 155seven D. 152seven

Mathematics

Referring to the circuit below, express IT in rectangular form if IL = 20 mA and IR = 8 mA.


a. 8 + j20 mA
b. 8 + j8 mA
c. 20 + j8 mA
d. 28 + j20 mA
e. 28 + j8 mA

Mathematics