Determine whether the matrix is a regular stochastic matrix. Give a reason for your conclusion.
What will be an ideal response?
Yes; the matrix is a stochastic all of whose entries are positive.
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Write the quotients with positive exponents.
A. -4x2 B. 4x10 C. 4x2 D. -4x10
Find percent notation.
A. 
%
B. 16
%
C. 1
%
D. 
%
Solve the problem.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $190 for materials and equipment rental plus $50 per hour for labor. Company B gave an estimate of $260 for materials and equipment rental plus $40 per hour for labor. Create a cost equation for each company where y is the total cost of the landscaping and x is the number of hours of labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 10 hr B. 11 hr C. 7 hr D. 6 hr
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 713.4 ft B. 724.5 ft C. 724.4 ft D. 714.4 ft