Answer:
21+8x
Step-by-step explanation:
7(3 – X) + 15x
21-7x+15x
21(-7x+15x)
21+8x
About 220 pounds.
Multiply 100 by 2.205
Answer:
420
Step-by-step explanation:
is a irrational number; whatever you do to a irrational number except subtract itself or divide by itself or a multiple of itself will always result in another irrational number.
Answer:
y = 3x - 18
Step-by-step explanation:
The line passes through (2,-12) and;
Its parallel to line y = 3x
The slope of our line is 3
Taking another point (x,y) on the line
Slope = change in y ÷ change in x
3 = 
y + 12 = 3x - 6
y = 3x - 18