Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab
B. 8ab
C. 4a + 4b
D. 4a + b
Answer: C
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Indicate whether the equation illustrates the additive identity property, multiplicative identity property, additive inverses, or multiplicative inverses.-8.9 + 0 = -8.9
A. Multiplicative inverse B. Additive identity C. Multiplicative identity D. Additive inverse
Write as a percent. 0.00378
A. 0.000378% B. 0.0378% C. 0.189% D. 0.378%
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Find a quadratic model for the sequence with the indicated terms.
?
?
A. an= 
n2- 
n - 3
B. an= -3n2+ 
n - 
C. an= 
n2+ 
n - 3
D. an= - 
n2+ 
n + 3
E. an= 3n2+ 
n - 