Solve the problem.Chris rode her bicycle 15
miles on Tuesday. On Thursday, she rode 
miles. What was her total biking distance for those two days?
A. 22
miles
B. 20
miles
C. 15
miles
D. 21
miles
Answer: D
Mathematics
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Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with right-end point values.
A. 202 in. B. 206 in. C. 212 in. D. 196 in.
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Multiply or divide the fractions. Reduce to simplest form.
÷ 
A. 
B. 
C. x + 3
D. 
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Perform the row operation(s) on the given augmented matrix.R2 = -2r2 + r1
A. 
B. 
C. 
D. 
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Solve the problem.Given that P(A) = 0.14 and P(B) = 0.46, find P(A ? B) if A and B are mutually exclusive.
A. 0.0644 B. 0.27 C. 0 D. 0.253
Mathematics