Simplify the expression. Write the result using positive exponents only.(-5x4y-5)(3x-1y)
A. 
B. 
C. -15x3y6
D. 
Answer: A
Mathematics
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Establish the identity.
- 
= cos u - sin u
What will be an ideal response?
Mathematics
Find the value of the annuity at the end of the indicated number of years. Assume that the interest is compounded with the same frequency as the deposit. mnrt$400semiannually4%27? Please round the answer to the nearest cent.$ __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Approximate the area under the curve and above the x-axis using n rectangles. Use left endpoints.f(x) = x2 + 2 from x = 1 to x = 4; n = 6
A. 26.88 B. 23.38 C. 20 D. 25.5
Mathematics
Differentiate.f(x) = (x2 + 1)3(x3 - 1)2 at x = -1Enter just an integer.
Fill in the blank(s) with the appropriate word(s).
Mathematics