Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. x - 7
B. x + 7
C. 
D. 
Answer: B
Mathematics
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Factor by grouping.r2 + 8r + 5r + 40
A. r(r + 53) B. (r + 8)(r - 5) C. (r - 8)(r - 5) D. (r + 8)(r + 5)
Mathematics
Write the fraction that is indicated by the shaded region.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given equation is linear.2x + 6 = x - 5
A. Linear B. Not Linear
Mathematics
Find the equilibrium point (x,p) of the demand and supply equations. The equilibrium point is the price p and number of units x that satisfy both the demand and supply equations.
?
DemandSupply
?
A. ?(290, 300,000)
B. ?(290, -300,000)?
C. (-300,000, -290)?
D. (300,000, 290)
E. (-300,000, 290)?
Mathematics