What can I say for the how did this lesson help you with your learning goals can someone help me it was about coordinates?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota