The sum of three consecutive interger is 51 find the integer

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x