Given the data set below, which is the best measure of center? 5, 1, 3, 2, 12, 10, 63, 2, 7

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

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64