Use the figure to the right to find the value of PT. T is the midpoint of PQ. PT = 3x + 4 and TQ = 6x-5

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.