100 equales
24
25x (square) plus 40 plus 15 equals 680.
168
2 + tansquareA + cossquareA
2 and 3
Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.
68
a = -4
Yes.
15,000 to the third power that equals pi plus 12 would make it the square root of 7
84
NO