In a batch of 13 tires, 3 are known to be defective. If 4 tires are chosen at random, find the probability that all 4 tires are good.
?
A. 
B. 
?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Find the most general antiderivative.
dt
A. 
t3/2 - 
t8/7 + C
B. 
t1/2 - 
t-6/7 + C
C. 
- 
+ C
D. 
t3/2 - 
t8/7 + C
Mathematics
Write a differential equation that describes the rate of change of the indicated quantity.The deer population y in a forest is growing at a rate proportional to the difference between the population and an upper limit of 1500 deer.
A. 
= k(1500 + y)
B. 
= k(1500 - y)
C. 
= 
D. 
= 
Mathematics
Rewrite the standard form of the equation in slope-intercept form.6x - 3y = 1
A. y = - 2x - 
B. y = 
C. y = 2x - 
D. y = 2x + 
Mathematics
Combine like terms. Then write the polynomial in descending order of powers.-4m8 + 9m8
A. 5m16 B. 40m C. 5m8 D. Cannot be simplified
Mathematics