Find the sum without the use of a number line.72 + 35
A. 106
B. 108
C. 109
D. 107
Answer: D
Mathematics
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Solve the problem.The standard formula for the tangent of the difference of two angles is 
Derive the formula.
What will be an ideal response?
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. x-3/7 - x-4/7
A. x-4/7(x1/7 - 1) B. x-4/7(x1/7 - x) C. x-4/7(x1/7 + 1) D. x-4/7(x1/7)
Mathematics
Sketch a vector v that models the given situation and express v as 
. A force of 34 pounds pushing downup
down
A.
v =  |
B.
v =  |
C.
v =  |
D.
v =  |
Mathematics
Find an equation of the line that contains the given point and is parallel to the given line.y = -4x, (4, 4)
A. y = - 4x - 20
B. y = - 4x + 20
C. y = - 
x - 5
D. y = 4x - 20
Mathematics