What is -a^-2 if a = -5? ( will mark ! )

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

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=