Y = -2x + b
Plug in the point
7 = -2(-1) + b
7 = 2 + b
b = 5
Final equation y = -2x + 5
Answer:
The correct option is 4.
Step-by-step explanation:
The given expression is

Simplify the given expression.


![[\because x^mx^n=x^{m+n}]](https://tex.z-dn.net/?f=%5B%5Cbecause%20x%5Emx%5En%3Dx%5E%7Bm%2Bn%7D%5D)

Therefore correct option is 4.
Dividing is changed to multiplication by inverting the second fraction. So:
Answer:
Step-by-step explanation:
Groom: 0.5x+15
Bride: x
Add both ages together
0.5x+15+x=51
x=24
Bride: 24 years
Groom: 27 years
Double Check: 24+27=51