Perform the indicated operation and simplify. Write the answer in the form a + bi.(-4 - 4i) - (5 - i)
A. -9 + 3i
B. -9 - 3i
C. -9 - 4i
D. 9 + 3i
Answer: B
Mathematics
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Calculate the instantaneous velocity for the given value of t of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s)s = 
; t = 3
A. - 
ft/s
B. 
ft/s
C. 
ft/s
D. - 
ft/s
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."The product of -23 and the sum of a number and 28
A. -23(x + 28) B. -644x C. -23x + 28 D. -23 + 28x
Mathematics
Divide.8397.90 ÷ 4.8
A. 1749.5625 B. 17,495.625 C. 0.00057157 D. 0.00571571
Mathematics
Convert as indicated.7.1 L to milliliters
A. 7,100 ml B. 0.071 ml C. 0.0071 ml D. 710 ml
Mathematics