If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12