Answer:
-11/4
Step-by-step explanation:
slope = 
Hope this helps
Y=-1/2x+8
perpendicular means slope is opposite reciprocal so it would be -1/2
y=-1/2x+b
Plug in points and solve for b
B=8
Answer:
7.5 short tons
Step-by-step explanation:
16 3/10 - 8 4/5 = 7.5
Answer:
pizza party
Step-by-step explanation:
At Pizza Palace you get 2 pizzas for $19.98 but at Pizza Party he gets two for $17.99
There appears to be a typing error in the second equation.
Still the answer is (7,10) because it is the only ordered pair that works for the first equation.