The equation y=-7x-5 and another equation have a solution of (-2,9). Which of the following could be the second equation.
A. Y=1/2x+10
B. Y=-1/2x+7
C. Y=3x-3
D. Y=2x+5

Please explain how to get this answer! To get brainlest.

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Graph the linear function using the slooe and y intercept