La un concurs de matematica se dau spre rezolvare 6 probleme si pentru fiecare problema rezolvata corect si complet se acorda 7 puncte, pentru fiecare problema gresita sau rezolvata incomplet se scade 10 puncte, iar pentru fiecare problema neacordata se scade un punct. andrei a obtinut la concurs 17 puncte. cate probleme a rezolvat corect?

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary