3. at the mall, leona bought a t-shirt and a book for a total of $23. the book cost $12. how much did the t-shirt cost?
(a) what is the unknown information?
(b) let x represent the unknown information. write an addition equation that models the problem
(c) solve the equation.
(d) answer the question.

Find the given elements if matrix d:

(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

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%