What is the substitution for 5x-2y=14, 2x-y=5

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=