Simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
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Write the word phrase as an algebraic expression. Use x to represent the unknown number.Four times a number, increased by fifteen
A. 4x - 15 B. 4x + 60 C. 4x + 15 D. 4 + 15x
Solve the problem. Express your answer in simplest form.Annie must send two packages. One of the packages weighs 15
lb and the other weighs 3
lb What is the total weight of the two packages?
A. 19
lb
B. 18
lb
C. 17
lb
D. 15
lb
Identify the radicand.s2t
A. 
B. s2t
C. 
D. (s2t)
Solve the problem.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 
(kiloPascals) when the number of moles is 8, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 9, the temperature is 
,
and the volume is 
.
A. 1456
B. 754
C. 780
D. 1508