Answer:
d = -15
Step-by-step explanation:
The slopes of perpendicular lines have a product of -1.
1/3·d/5 = -1
d/15 = -1 . . . . simplify
d = -15 . . . . . multiply by 15
Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Heptagon, it is a polygon with seven sides and seven vertices
Answer:
62,500
Step-by-step explanation:
2,500 times 9 + 40,000 because he didnt get the raise the first year he started so its only times 9