Toán lớp 8
giải bất phương trình: 2x + 2 > 4

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?