Fill in the blank with one of the choices listed below. Some choices may be used more than once. 
When 2 million is written as 2,000,000, we say it is written in 
.
A. vertically
B. standard form
C. circumference
D. right triangle
Answer: B
Mathematics
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Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
(
- ln(
- 1))
B. 
C. 
(
+ ln(
+ 1))
D. 
?
Mathematics
Multiply.(3 - 
)(5 - 
)
A. 15 - 7x
B. 15 - 7
C. 15 - 8
+ x
D. 15 - 8
- x
Mathematics
Simplify the algebraic expression by combining like terms.9y + 8 - 3y + 1
A. 15y B. 6y + 7 C. 6y + 9 D. 12y + 9
Mathematics
Solve.If a rock falls from a height of 80 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 80 - 4.9x2. What is the height of the rock after 3 seconds?
A. 65.3 m B. -136.09 m C. 675.9 m D. 35.9 m
Mathematics