Mr. roshan will buy 12.5lbs of beef . the price for the first 3 pounds are 4.99 . after that, the price is 4.49per pound how much will he pay?

What is the inverse of the function f(x) = 2x + 1?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)