What is the area of the triangle? 3 cm
8 cm
A. 22 square centimeters
B. 11 square centimeters
C. 12 square centimeters
D. 24 square centimeters

is this in irregular triangle?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?