Simplify, where possible.9a - 3a + 6
A. -6a + 6
B. 12a + 6
C. 12a
D. 6a + 6
Answer: D
Mathematics
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Provide an appropriate response.Derive the equations x = x0 + (v0 cos ?)t, y = y0 + (v0 sin ?)t - 
gt2by solving the following initial value problem for a vector r in the plane. Differential equation: 
= -gj Initial conditions: r(0) = x0i + y0j 
(0) = v0 cos ?)i + (v0 sin ?)j
What will be an ideal response?
Mathematics
Find the perimeter of the figure.
A. 20 m B. 24 m C. 29 m D. 21 m
Mathematics
Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-3, 1)
A. x < 1
B. -3 ? x < 1
C. -3 < x ? 1
D. -3 ? x < 1
Mathematics
Factor completely. Check by multiplying the factors.
What will be an ideal response?
Mathematics