La un concurs, se acordă 10 puncte pentru o problemă rezolvată corect si se scad 2 puncte pentru o problemă rezolvată greşit. Teodor a trimis la concurs 20 de probleme şi a primit 176
de puncte. Câte probleme a rezolvat corect şi câte a rezolvat greşit?​

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?