Triangle ABC has vertices with coordinates -1,-1 , 4,0 and 0,4 Prove that ABC is an isosceles triangle but not a right triangle.

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

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²