Parallel would be anything with the slope of 4x and perpendicular would be anything with the slope of 1/4
3 x 3 + 4y3 =6
6 + 0 =6
y =0
4 x 0 x 3 = 0
so y is zero .
Answer:
The cross section becomes smaller but stays a trapezoid.
Step-by-step explanation:
Yes, you can claim that the null hypothesis. But you must pay attention the p-value. If the p-value is higher than the significant value the null hypothesis can't be rejected.