Three people went to dinner and spent $45 with a coupon for 10% off. how munch would it have cost without the coupon?

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

What is the value of r of the geometric series?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25