To find 19+(11+37) lenny added 19 and 11. then he added 37 to the sum .which property did he use

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

(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