Solve.Five divided by the difference of a number and 9 equals the quotient of 10 and the sum of the number and 3. Find the number.
A. 
B. -15
C. 7
D. 21
Answer: D
Mathematics
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Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 1 - 
iFind 
.
A. 
(cos 15° + i sin 15°)
B. 
(cos 105° + i sin 105°)
C. 
(cos 105° + i sin 105°)
D. 
(cos 15° + i sin 15°)
Mathematics
Find an expression equivalent to the one given.- 
A. - 
B. - 
C. 
D. - 
Mathematics
Solve using elimination.
A. x = 
, y = 
; x = 
, y = - 
or 
, 
B. x = 
, y= - 
; x = 
, y = 
or 
, 
C. x = 
, y = 
; x = - 
, y = - 
or 
, 
D. x = 
, y = - 
; x = - 
, y = 
or 
, 
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = x + 
A. (0, 36) B. (0, 0) C. (0, 6) D. none
Mathematics