In a toy store, the ratio of dolls to teddy bears is 9:3. If the store has 240 dolls, how many teddy bears are in the store?

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

Simplify the expression. -2/5(10+15m-20n)

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?