Solve the polynomial inequality. Express the solution in interval notation.5x2 - 3x ? 8
A. 
B. 
C. (-?, -1] ?
D. (-?, -1) ? 
Answer: C
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.tan 
A. 
B. -1
C. 1
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
Add as indicated.(-7 + 4x3 + 4x5 + 2x4) + (3x4 - 6x3 - 6 + 3x5)
A. 7x5 + 5x4 - 2x3 - 13 B. -4x5 - 4x4 - 2x3 + 5 C. 10x24 - 13 D. 7x10 + 5x8 - 2x6 - 13
Mathematics
Solve.A blouse costs $44 and a skirt costs $33. What is the total price for purchasing these items if the sales tax rate is 9.5%?
A. $150.15 B. $7.32 C. $84.32 D. $77.00
Mathematics