Analisando a equação do segundo grau x2 - 2x +1 = 0, podemos afirmar que ela possui
a) nenhuma solução real
b) uma unica solução real.
c) duas soluções reais.
d) très soluções reais
e) infinitas soluções reais.​

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

Tyler reads 2/5 of a book on monday, 1/3 of it on tuesday, 2/9 of it on wednesday, and 3/4 of the remainder on thursday. if he still has 14 pages left to read on friday, how many pages are there in the book?