Find all solutions to the equation. Express the solution in degrees.tan x = 1
A. 90° + 180°n
B. 45° + 180°n
C. 135° + 180°n
D. 45° + 360°n
Answer: B
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Solve.A new pyramid has been found in South America. The pyramid has a rectangular base that measures 
by 130 yd, and has a height of 50 yd. The pyramid is not hollow like the Egyptian pyramids and is composed of layer after layer of cut stone. The stone weighs 408 lb per cubic yard. How many pounds does the pyramid weigh?
A. 147,333.3 lb B. 180,336,000 lb C. 60,112,000 lb D. 361.1 lb
Add or subtract as indicated. Assume all variables represent non-negative real numbers.6
+ 
- 5
A. 11
+ 
B. 
C. 
D. 
+ 
Solve the following system of equations by graphing. Write the solution as an ordered pair or state that the system has no solution or infinitely many solutions. 3x - y = 14-12x + 4y = 56
A. infinitely many solutions B. (0, 14) C. no solution D. (5, -1)
Divide, if possible.
A. -3
B. -13
C. - 
D. 3