Your friend has $100 when he goes to the fair he spends $10 to enter the fair and $20 on food. rides at the fair cost $2 per nde. which function can be used to determine how much money he has left over after x rides?

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k