Answer:
I couldn't see the picture it is black
Step-by-step explanation:
the formula for the area of a trapezoid is:

insert 7 for b1, 13 for b2, and 10 for h

100
Hope that helps
Because it's a straight line
Answer:
Step-by-step explanation: Perimeter is distance around the outside so 8+8+5+5=26 units
Area - I'll get back with you
Answer:
40 degrees is acute, 50 is also acute and they both make up a right angle (90 degrees)
Step-by-step explanation:
Answer:
-3x² +6x -1 = 0
Step-by-step explanation:
x2 - 2x + = 4(x2-2x +1)-3
x² - 2x = 4x²-8x +4 - 3
x²-4x²-2x+8x = 4-3
-3x² +6x = 1
-3x² +6x -1 = 0