Write without exponents and evaluate.
-3
A. -
B. 
C. 
D. - 
Answer: C
Mathematics
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Solve and graph.30x - 15 > 5(5x + 3)
A. [6, ?)
B. (0, ?)
C. (-?, 6)
D. (6, ?)
Mathematics
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
Mathematics
Solve the equation.3x + 
= 
+ 3x
A. 
B. 0
C. all real numbers
D. no solution
Mathematics
The measure of one angle of a right triangle is 42? more than the measure of the smallest angle. Find the measures of all three angles.
Mathematics