Write the phrase as a variable expression. Use x to represent "a number."5 decreased by 3 times a number
A. 3 - 5x
B. 5x - 3
C. 3x - 5
D. 5 - 3x
Answer: D
Mathematics
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Provide an appropriate response.Find the standard equation for the position s of a body moving with a constant acceleration a along a coordinate line. The following properties are known: i. 
= a, ii. 
= v0 when t = 0, and iii. s = s0 when t = 0,where t is time, s0 is the initial position, and v0 is the initial velocity.
A. s = 
- v0t - s0
B. s = at2 + v0t + s0
C. s = 
+ s0
D. s = 
+ v0t + s0
Mathematics
Solve the equation.4(y + 7) = 5(y - 8)
A. {68} B. {12} C. {-68} D. {-12}
Mathematics
Use a vertical shift to graph the function.y = 2 cos 
+ 2 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relation is also a function.{(-3, -7), (-2, 6), (-1, 1), (-1, -8)}
A. yes B. no
Mathematics