Simplify.(
+ 4)(
- 4)
A. 22
B. 2
C. 6 - 2
D. -10
Answer: D
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Solve the problem.The expression 0.60(226 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic female with age a and resting heart rate r. The accompanying table shows the target heart rate for a 19-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 155; 157.4 B. 154.6; 158.6 C. 153.8; 156.6 D. 154.2; 158.2
Write the rational number as a decimal and state whether the decimal is repeating or terminating.- 
A. -1.
repeating
B. -1.8 terminating
C. -1.8
repeating
D. -1.
repeating
Write an equation in standard form for a line passing through the pair of points.(-4, -6) and (0, -9)
A. 2x + 9y = -81 B. -3x - 4y = 36 C. 3x - 4y = 36 D. -2x - 9y = -81
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 9x + 3;
Find (g ? f)(x).
A. x
B. x - 
C. x + 6
D. 9x + 24