Riley has a loyalty card good for a 11% discount at her local grocery store. If the total cost, before tax and discount, of all the items she wants to buy is c, which expression represents the cost after the discount? 0.989c O 0.11c Submit Answer O0.89c O 11c

At a college, the cost of tuition increased by 9%. Let b be the former cost of tuition. Use the expression b+ 0.09b for the new cost of tuition. Write an equivalent expression by combining like terms. What does your equivalent expression tell you about how to find the new cost of tuition? Choose the correct answer below. O A. 0.91b; multiply the former cost by 0.91. OB. 0.91; add 0.91% of the new cost to the former cost. OC. 0.09; add 0.09% of the former cost to the new cost. O D. 1.09b; multiply the former cost by 1.09. Cick to

Latisha has $328.34 in her checking account. She deposits her paycheck worth $68.77 Into her checking account. Latisha then withdraws $29.83 to go to the movies with her little brother. How much is in Latisha's checking account now? Write your answer as a decimal to 2 places.

Valerie bought a guitar at a sale price S=0.8g. Where g represents the original cost of a guitar.Which expression shows the sale price in a way that emphasizes the precent discount that she received?