The angle of a triangle are 85° , 38° , 57° . what kind of triangle is it a. acute b. obtuse c. right

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?