Find the y-intercept and the slope of the line
y=-1/2-5/2x

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Plz ( true - false) all triangles have interior angles whose measure sum to 90.