Which of the following statements is true?

a.
a rhombus is a square.
b.
a rhombus is a rectangle.
c.
a rectangle is a square.
d.
a square is a rhombus.

D a square is a rhombus

I agree I think it's D

Ithink the answer would be knew

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post