Integrate:Cos 7x/(1+sin**2(7x))

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310

Simplify the algebraic expression 8y-2(y+4)