ILL GIVEEST TO WHOEVER CAN SOLVE ALL Lin works in an electronics store. Her monthly pay is $950. She also receives 4% commission on all her sales. She had $12,475 in sales last month. What were her earnings last month?

Olivia bought a dress for $120. The tax rate is 9%. What is the total amount Olivia paid for the dress?

Jiang counted that he'd thrown 90 pitches in a baseball game. He had actually thrown 94 pitches. Calculate the percent error and round to the nearest percent.

Liz's lunch costs $13.00. She wants to leave a 15% tip. What is the total amount including the tip that Liz paid?

Aaron deposited $200 in a savings account that offers a 6% interest rate. How much interest will he earn after 1 year?