What is the discriminant of the equation x^2+11x-10=0

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11