Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Using the given frequency distribution table, how many students made B's (80 to 89)?Frequency Distribution of 25 Test Scores
Class IntervalMidpointTallyClass Frequency45 - 4947/150 - 5452/155 - 5957//260 - 6462/165 - 6967/170 - 7472//275 - 7977///380 - 8482///385 - 8987///390 - 9492
?595 - 9997///3
A. 3 B. 12 C. 6 D. 15
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Mathematics
Point P sweeps out central angle ? as it rotates on a circle of radius r. Find the angular velocity of point P. Round to a whole number.
?
?
A. 102 rad/hr B. 114 rad/hr C. 109 rad/hr D. 108 rad/hr E. 156 rad/hr
Mathematics
Find the sum.
A. 12 B. 4 C. 8 D. 32
Mathematics