Plot the image of triangle A ABC under a reflection acre across line

- If your not able to tell me clearly tell me if am supposed to put the triangle under the original training that will help-
B

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

The function f(x) is shown in this graph the function g(x)=6x