OMG! I need help! *DUE SOON*

Solve for..SiKE!!!
Lol enjoy❤️

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.