Solve by the quadratic formula.2x2 - 5x + 5 = 0
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.Solve the system of equations using the addition method:-3x + y = 13x - 7y = 29
A. x = 5, y = 16 B. x = -5, y = -14 C. x = -2, y = -5 D. x = 2, y = 5
Find the annual amount of depreciation using the straight-line method. Round to the nearest dollar.Cost:$37,000Estimated life:25 yearsEstimated scrap value:None
A. $1,480 B. $3,700 C. $500 D. $9,250
Solve the problem.The expression 0.60(220 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic male with age a and resting heart rate r. The accompanying table shows the target heart rate for a 23-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 144.2; 146.2; 148.2 B. 147.8; 149.8; 151.8 C. 135.2; 137.2; 139.2 D. 222.2; 230.2; 238.2
Add.11,238,9748,020,267317,343
A. 22,240,049 B. 22,097,919 C. 24,966,136 D. 22,110,049