Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.x + 
y = a
x + y = b
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the following equation for Z: Z(Z + 8) = 80
a. ÚÄÄÄÄÄÄÄÄÄ û8(10 - Z) b. 80 - 8Z c. 80 - Z
Mathematics
Provide an appropriate response.In oblique triangle ABC, find the area, given the indicated parts. Round to tenths. Side a = 2, side b = 2, and angle C = 50°.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response. 
Using a graphing utility to compute powers of P = 
, find the smallest n such that the corresponding entries in Pn and Pn+1 are, when rounded to 3 decimal places, equal.
A. 3 B. 6 C. 11 D. 2
Mathematics
Find the present value. Round to the nearest cent.To get $5600 after 11 years at 8% compounded annually
A. $4,288.83 B. $2,593.88 C. $2,401.74 D. $3,198.26
Mathematics