find the perimeter of the triangle defined by the coordinates (9.0), (-5,0), and (-10,6). (round to nearest tenth)
39.7 units
39.8 units
41.7 units
41.8 units
find the perimeter of a regular pentagon with sides of (3x + 5).

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Me! i will mark you brainliest if you are right and show your i don't get polynomials and all the other stuff. multiply and simplify.2x(^2)y(^3)z(^2) · 4xy(^4)x(^2)show your