Provide an appropriate response.Under what circumstances can a system of equations be solved more easily by graphing than be substitution?
What will be an ideal response?
A system of equations would be solved more easily by graphing than by substitution when there are integer solutions and the substitution method requires extensive computations with fractions.
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Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find b if A = 27° and c = 15 ft.
Fill in the blank(s) with the appropriate word(s).
Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.701.25 m, 3.75 hr
A. 187 
B. 187 
C. 190.75 
D. 190.75 
Provide an appropriate response.Zeros at the end of the multiplier or multiplicand should be added to the right of the product.
A. True B. False
Solve the equation on the interval [0, 2?).cos 2x = 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 0, 
, ?, 
D. no solution