A triangle is dilated by a scale factor of One-fifth and then rotated 90 degrees clockwise about the origin. Why is the image similar to the pre-image? Check all that apply. The corresponding sides of the triangles are congruent.
The corresponding angles of the triangles are congruent.
The corresponding sides of the image are 5 times as long as those of the pre-image.
The image is a reduction of the pre-image.
Neither the dilation nor the rotation change the shape of the triangle.
The rotation reduces the size of the triangle.

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

step-by-step explanation:

i googled it and this is what i got i don't know how it is. sorry.

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

is means division by fractions

step-by-step explanation:

ghjmutmum

step-by-step explanation: