Simplify by combining like terms 8x^2+7xy+5y^2+8x^2-xy+y^2

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?