Charlene bought her friends lunch. The bill came to 52.80 before Charlene added an 18% service tip. How much did she add for the service tip

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y