Simplify the expression. Write the result using positive exponents only.(6x4)3x-15
A. 
B. 
C. 
D. 
Answer: D
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Find the rectangular equation of the given polar equation.r = 
A. y2 + 10x - 25 = 0 B. x2 - 10y + 25 = 0 C. x2 + 10y - 25 = 0 D. y2 - 10x + 25 = 0
Provide an appropriate response.A student turned in the following work in multiplying two numbers on a test paper. Can you decide what was done incorrectly and then give the correct answer?25.6×2.41024512 614.4
What will be an ideal response?
Provide an appropriate response.In extreme temperatures, concrete can experience a ±1.2% change in length after it is laid. Considering this, if 20 ft sections of concrete are laid for a bridge during cold weather, what width of expansion joint must be allowed so that the bridge will not buckle in hot weather? Round your answer to the nearest hundredth of a foot.
Fill in the blank(s) with the appropriate word(s).
Graph each system of inequalities and shade the portion of the graph represented by the solution set..
A. 
B. 
C. 
D. 