Solve the problem.A painter leans a ladder against one wall of a house. At what height does the ladder touch the wall? Round to one decimal place if needed.
A. 100 ft
B. 25 ft
C. 7.05 ft
D. 14.1 ft
Answer: D
Mathematics
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Solve the formula for the specified variable.I = 
; for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Mathematics
Find the total area of the region between the curve and the x-axis.y = -x2 + 9; 0 ? x ? 5
A. 
B. 
C. 
D. 
Mathematics
The problem tells by what factor and direction the graph of the given function is to be stretched or compressed. Give an equation for the stretched or compressed graph.y = 
compressed vertically by a factor of 2
A. y = 
B. y = 2
C. y = 
D. y = 
Mathematics
Factor the binomial completely.x4 - 81
A. (x2 - 9)(x2 - 9) B. (x2 + 9)(x2 + 9) C. (x2 + 9)(x + 3)(x - 3) D. prime
Mathematics