If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2500 grams

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Place the following steps in order to complete the square and solve the quadratic equation,

(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