Combine like terms.7ab + 3y + 8ab
A. 15ab + 3y
B. 18ab + y
C. 18aby
D. 3ab + 15y
Answer: A
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Multiply. Write the answer in descending order and combine like terms.(3p + 7)2
A. 9p2 + 42p + 49 B. 3p2 + 42p + 49 C. 3p2 + 49 D. 9p2 + 49
A lighthouse on an island is located at the origin of a coordinate system. East points to the positive x-axis, and north points to the the positive y-axis. Find the bearing of a ship located at the given point. Round the angle measure to the nearest degree where necessary.(5, -5)
A. N 45° E B. S 45° W C. N 45° W D. S 45° E
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 5 weeks?
A. 37,229 people B. 47,783 people C. 47,000 people D. 300 people