Solve the problem algebraically. Clearly define all variables, write an appropriate equaion, and solve.A triangular-shaped stained glass window has two sides that are each 45 inches shorter than four times the length of the shortest side. If the perimeter of the window is 234 inches, what are the lengths of the three sides?
A. 36 inches, 99 inches, 99 inches
B. 36 inches, 63 inches, 63 inches
C. 36 inches, 144 inches, 144 inches
D. 36 inches, 117 inches, 117 inches
Answer: A
Mathematics
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Find the equations of the system shown on the graphing calculator screen.10
-10
A. x + y = 1 x - 3y = -9 B. y = 2x + 1 y = -0.3x - 5.9 C. y = 0.4x - 4.6 y = 2x - 11 D. 3x - y = 9 5x + y = 7
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 15, ? = 210°
A. v = 15
B. v = 15
C. v = 15
D. v = 15
Mathematics
Simplify. Combine like terms if possible.-p - 7p
A. 8p B. -8p C. -6p D. -7p2
Mathematics
Which answer choice is equivalent to the given expression?sec v - tan v sin v
A. csc v B. 1 - csc v C. cot v D. cos v
Mathematics