What is the exact value of the expressions sqrt 180 − sqrt 125 + sqrt 5? simplify if possible.

a. 2 sqrt 2
b. 12 sqrt 2
c. 2 sqrt 5
d. 12 sqrt 5

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

"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?