Mary palm's checking account had a starting balance of $785.63. she wrote a check for $57.00 for groceries and a check for $125.00 for a car payment. yesterday she deposited $57.25 in her checking account. what is mary's current balance?

Irene bought 3 yards of fabric and a spool of thread for $28.10. if the spool of thread cost $1.25, how much did the fabric cost per yard?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined