11/20=.55 =55% ; 1/400=.0025=.25% ; 5/8=.625=62.5%
Answer:
Image result for 1 What are the names of four coplanar points?
1. What are the names of four coplanar points? A. B. C. D. Points P, M, F, and C are coplanar Points F, D, P, and N are coplanar.
Step-by-step explanation:
Area of a triangle is base × height ÷2
base=8x+4 x=-4/8 x=-1/2
height=3x-4 x=4/3
A=b×h÷2
A=(-1/2×4/3)÷2
A=(-4/6)÷2
A=(-4/6)÷2/1 to divide by fractions flip the second and multiply
A=-4/6×1/2
A=-4/12
A=-1/3