There were 120 blackbirds sitting in a tree, but then some blackbirds flew away after that, there were 85 sitting in the tree if b= the amount of blackbirds that flew away , which mathematical sentence express the information above ?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

Un used xx milliliters, or 90\%90%, of his favorite bottle of hot sauce. which of the following expressions could represent the volume of a full bottle of jun's favorite hot sauce, in milliliters? choose 2 answers: choose 2 answers: (choice a) a \dfrac{x}{0.9} 0.9 x (choice b) b \dfrac{10}{9}x 9 10 x (choice c) c 0.9x0.9x (choice d) d xx (choice e) e x+0.1x+0.1

Ashipment of 18 cars, some weighing 3000lb a piece and th eothers 5000lb each, has a total weight of 30 tons. find the number of each kind of car.