What is the value of numerical expression 5/8 - 5/12 (3-1/4)+2/3

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

What ratio is proportional to 18/21