Evaluate the expression for the given replacement values.2x + y
for x = 4 and y = -3
A. 11
B. 1
C. 5
D. 7
Answer: C
Mathematics
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At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:More than 15.2 seconds
A. 48% B. 34% C. 68% D. 50%
Mathematics
Find a counterexample to show that the statement is false.All U.S. presidents have been one-term presidents.
What will be an ideal response?
Mathematics
Find the probability.Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 4, 7, or 3?
A. 
B. 
C. 
D. 
Mathematics
Convert the volume as indicated.133 deciliters to liters
A. 1330 L B. 13.3 L C. 1.33 L D. 13,300 L
Mathematics