#5) The sum of Mark's age and Akira's age is 109. If Mark is 4 years older than twice Akira's age, how old is Mark?

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb