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
Answer: A
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An algebraic expression is given. Use the expression to answer the following questions. a) How many terms are there in the algebraic expression? b) What is the numerical coefficient of the first term? c) What is the constant term? d) Does the algebraic expression contain like terms? If so, what are the like terms?4y + 1 + 3x
A. a) 3 b) 3 c) 1 d) no B. a) 3 b) 4 c) 1 d) yes, 4y and 3x C. a) 2 b) 4 c) 1 d) no D. a) 3 b) 4 c) 1 d) no
Solve the problem.Using the digits 0 through 9, how many 5-digit serial numbers can be made if the first digit must be 0 or 1 and digits may not be repeated?
A. 30,240 B. 3360 C. 8 D. 6048
Determine whether the specified paradox occurs.A town has 13 police officers to be apportioned among 3 precincts based on the population of each precinct. The populations for the years 1998 and 1999 are given in the following table. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 