Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.-7 + 0; identity
A. 7
B. -7
C. 1
D. 0
Answer: B
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Write the expression in the standard form a + bi.
A. 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 335-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 4.6 sec B. 83.8 sec C. 1.1 sec D. 20.9 sec
Write a formula for the general term (the nth term) of the geometric sequence.
, - 
, 
, - 
, . . .
A. an = 
- 
(n - 1)
B. an = 
n - 1 - 
C. an = 
n - 1
D. an = 
n - 1
Solve. Assume the exercise describes a linear relationship. When writing a linear equation, write the equation in slope-intercept form.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 5 seconds, the gauge on the bottle indicates that it contains 17 ounces of water. After it has been filling for 11 seconds, the gauge indicates the bottle contains 35 ounces of water. Let y be the amount of water in the bottle x seconds after the faucet was turned on. Write a linear equation that models the amount of water in the bottle in terms of x.
A. y = 
x + 
B. y = 3x + 2
C. y = 3x + 24
D. y = -3x + 32