A Square.
Reasons:
1.) A square is a quadrilateral, it has 4 sides and 4 angles.
2.) Like a Rhombus, a square has 4 sides of equal lengths.
3.) Like a Rectangle, a square has 4 angles of equal value.
Hope this helps!
the first one is correct
and last one is correct
Step-by-step explanation:
(2x + 10)(x - 9)
2x(x - 9) + 10(x - 9)
2x(x) - 2x(9) + 10(x) - 10(9)
2x² - 18x + 10x - 90
2x² - 8x - 90
Answer: the bus is going 27mph
Step-by-step explanation: 40km is 27 miles