Simplify the expression and find its value: (2x+0.5)^2–(2x–0.5)^2 for x=−3.5simplified expression is . for x = −3.5, the value of the expression is .

For what values of x is x2 + 2x = 24 true?

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=

Which two undefined geometric terms always describe figures with no beginning or end?