Perform the following operations in the proper order. Write your answer in simplest form.72 - 9 ? 4 + 99 ÷ (-11)
A. 27
B. -590
C. 243
D. -15
Answer: A
Mathematics
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Solve.9x - (5x - 1) = 2
A. 
B. - 
C. 
D. - 
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-2
+ 2i
A. 4(cos 45° + i sin 45°) B. 4(cos(-135°) + i sin(-135°)) C. 4(cos(-45°) + i sin(-45°)) D. 4(cos 135° + i sin 135°)
Mathematics
The velocity, in feet/second, of a rocket t seconds into vertical flight is given by
?
?
What is the altitude of the rocket 30 seconds after liftoff?
?
Hint: 
; 
.
?
__________ ft
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the part.2
% of 8500 trees
A. 187 trees B. 19 trees C. 1870 trees D. 18,700 trees
Mathematics