Which of the following is closest to 19.9 times 199? a. 4000 b. 3990 c. 3980 d. 3970 e. 3960 you only get 30 seconds for this question so no straight out multiplying! (no calculators either) i think the distributive property is used but i don't know how so

Which property is illustrated by the statement given below? raj raj.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Given that abcd is a rhombus, what is the value of x?