Simplify . 3 sqrt 10 + 7 sqrt 15 - 6 sqrt 10 -4 sqrt 15

Give all possible names for each angle shown.calculation tip: in angle abc, b is the vertex.

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

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5