3.5x=49
3.5x÷3.5=0
49÷3.5=14
so that means that x equals 14
Given that

we first differentiate with respect to t to get the tangent vector,
:

At t = 0, the tangent vector is

To get the <em>unit</em> tangent vector, multiply this by 1/(norm of tangent vector) :

Then the unit tangent vector is

Answer:
A. 0.2, .25, 0.2
B. Daniella and Angel have tied scores, but Dwayne had the highest of all three by .05 (5%)
Step-by-step explanation: