Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y2 + x2, C: the perimeter of the circle x2 + y2 = 25
A. 250?
B. 10?
C. 125?
D. 50?
Answer: A
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Graph the solution set of the system of inequalities.
A. 
B. 
C. 
D. 
Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
A. 5, 8 B. -5, 3 C. 5, 3 D. -5, -3
Write a system of equations and use the inverse of the coefficient matrix to solve the system.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wires. Cable C requires 2 black, 1 white, and 2 red wires. They used 135 black, 70 white and 80 red wires. How many of each cable were made?
A. 15 cable A 16 cable B 15 cable C B. 15 cable A 20 cable B 15 cable C C. 48 cable A 20 cable B 12 cable C D. 20 cable A 15 cable B 15 cable C
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Zero C. Negative D. Positive