Which describes the transformation from the original to the image and tells whether the two figures are similar or congruent translation, similar rotation, congruent dilation, similar reflection, congruent

What two criteria are needed for triangles to be similar

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.