Answer:
-8.21
Step-by-step explanation:
20/q = 7/9
20×9 = 7q
7q = 180
q = 180/7
That would be B, C and E.
A and D could be a rhombus.
Answer:
A. 6x + 4
B. 22 cm
Step-by-step explanation:
The perimeter of the triangle is equal to the sum of all the side lengths, which is (2x+3) + (x+1) + (3x), or 6x + 4.
When x = 3cm, the perimeter is 6(3) + 4, which is 22 cm.
The answer would be that the dot falls on the point (0,4)