Provide an appropriate response.Simplify: 2(-a - 2) + 3
Fill in the blank(s) with the appropriate word(s).
-2a - 1
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Solve the problem.An object is propelled upward at an angle ?, 45° < ? < 90°, to the horizontal with an initial velocity of v0 feet per second from the base of a plane that makes an angle of 45° with the horizontal. If air resistance is ignored, the distance R that it travels up the inclined plane is given by the function R(?) = 
[sin(2?) - cos(2?) - 1]. Show that R(?) = 
[sin ?(cos ? + sin ?) - 1].
What will be an ideal response?
Draw a sketch to represent the vector. Refer to the vectors pictured here. 
d - a
A. 
B. 
Simplify the absolute value expression.-|14|
A. 0 B. -14 C. 14 D. 28
State whether the system is consistent or inconsistent. If it is consistent, then state whether the graphs' equations are dependent or independent. State the number of solutions.
A. Inconsistent; one solution B. Consistent; independent; one solution C. Inconsistent; infinitely many solutions D. Consistent; dependent; infinitely many solutions