An English class took a field trip to a writing conference on a charter bus. They noticed that, even though they traveled in rain on the way back, the trip back took a shorter amount of time than the trip to the conference did.
Which of the following is a valid conclusion? Assume the bus traveled the same route both directions and did not stop.
OA. There is no correlation between bus speed and travel time.
B. The rain caused a decrease in travel time.
C. There is a positive correlation between rain and travel time.
D. An increase in the speed of the bus caused a decrease in travel time.

3. parallelogram

step-by-step explanation:

we turn each of our sides into direction vectors

ab=b-a=(3 - 7, 1 - 0) = (-4, 1)

bc=c-b=(1,6)

cd=d-c=(4,-1)

da=a-d=(-1,-6)

we see how the opposite sides have negated direction vectors; this is characteristic of a parallelogram.   we have congruent sides ab=cd and bc=da with unequal lengths because 1^2+6^2 is different from (-4)^2+1^2.   so it's not a square or a rhombus.  

we check the dot product of direction vectors of adjacent sides.   we have

ab dot bc = -4(1) + 1(6) = 2

that's not zero so the sides are not perpendicular.   we've ruled out rectangle.

the direction vectors indicate two pairs of congruent parallel sides, so we choose parallelogram over trapezoid.

child does not get an education so she can use the molla on junk

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.