A) -60
B) -30
C) -10
D) 10

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

Ten times the square of a non-zero number is eqaul to ninety times the number

What is 140% of 25? because i need