Solve the equation using both the addition and multiplication properties of equality.-7x = -75 + 8x
A. {-5}
B. {-60}
C. {6}
D. {5}
Answer: D
Mathematics
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Solve the problem.Evaluate 
at (u, v) = (1, 2) for the function w(x, y) = xy2 - ln x; x = eu+v, y = uv.
A. 8e3 - 1 B. -1 C. 12e3 - 1 D. 6e3 - 1
Mathematics
Add.6 + (-73)
A. 79 B. -79 C. 67 D. -67
Mathematics
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find cos A when a = 
and c = 10.
A. 
B. 
C. 
D. 
Mathematics
As 
increases in size from 0° to 90°, the value of cos also increases.
Answer the following statement true (T) or false (F)
Mathematics