Thirty-eight and ninety seven hundredths in standard form

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.