24+8 = 30
30 - 12 = 18
18-9 = 8
There are 8 cards left in the stack
If there is a triangle with Sid a and b then sina b/✓a2+b2and seven=✓a2+b2/a
5x - 2 = 8x + 5.
-2 = -5x + 8x + 5
-2 = 3x +5
-7 = 3x
-7/3 = -2.3
Name three quaderlateral that only sometimes have right angle
Rhombus, trapezoid, and parallelogram