A middle school math teacher wants students to learn how to calculate the area of a​ triangle, which involves multiplying the​ triangle's base​ (i. e., bottom​ side) by its height​ (measured by a line going perpendicular from the base to the opposite​ angle) and then dividing by 2. The formula A​ = ½ ​(b×h​) is the mathematical equivalent. What strategies might the teacher use to help students understand and remember this​ procedure?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.