Can someone help me with these two problems below please? 1) f(x)=(1/5)x 2)f(x)=(x-2)^3-6

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?