Find the sum of the first n terms of the following arithmetic sequence.a1 = -48, d = -31; n = 10
A. -1635
B. 1635
C. 915
D. -1875
Answer: D
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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (9 tan t)i - (9 sin t)j + (4 cos2 t)k ; t0 = 
A. x = 9 + 18t, y = -
- 
t, z = 4 - 4t
B. x = 18 + 9t, y = -
- 
t, z= -4 + 2t
C. x = 9 + 18t, y = -
- 
t, z = 2 - 4t
D. x = 9 + 18t, y = -
+ 
t, z = 2 + 4t
Factor out the GCF from the polynomial. If the GCF is 1, write prime.5x5 - 30x3
A. 5x3(x2 - 6) B. x5(5x2 - 30) C. 5x4(x - 6x) D. 5(x5 - 6x3)
Round the number to the place indicated.Round to the nearest one: 710.554
A. 711 B. 710 C. 710.55 D. 710.6
Provide an appropriate response.Give examples of three different phrases which could be translated to the algebraic expression 
What will be an ideal response?