Answer:
Step-by-step explanation:
using pt-slope form, we get 
. Using the Distributive Property and Addition Propert of Equality, we can simplify this equation into 
by factoring -5/4 into (x-4) and subtracting 9 from both sides.
Answer: 28 red marbles
Step-by-step explanation:
Since there are in total 140 marbles and there are 5 red marbles, just simply divide 140 by 5 and you get your answer. 28 red marbles.
Answer:
13
Step-by-step explanation:
Replace the variable x with -2 in the expression.
f (-2) = -3 x -2 -2
Simplify (-3 x -2 -2) + 9
Multiply -3 by -2
6 - 2 + 9
Subtract 2 from 6
4 + 9
add 4 and 9
13.
The nine rounds up so it would be 400,000
