I NEED HELP ASAPPP A 30° -60° - 90° triangle is shown below. Find the value of y.
30
10
y
60°
y=
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In the rectangle below ac=30 units what is de

This question awards 100 ! i really don’t want to fail i will also mark you !

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2