Start with a circle whose equation is (x – a) + (y - b) = r2. Dilate that circle by a scale factor of , with center of dilation (a, b). What does this transformation demonstrate?
Some circles are similar to a circle with a radius of 1 unit.
All circles are congruent to a circle with a radius of 1 unit.
All circles are congruent.
All circles are similar to a circle with a radius of 1 unit.

1. are the triangles similar and if so why? what is the value of x? show your work.

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000