Answer:
9r
Step-by-step explanation:
1.5r - 3r + 10.5r
10.5r + 1.5r = 12r
12r - 3r = 9r
Final Answer = 9r
Answer:
F = -6 + 2d/5
Step-by-step explanation:
2d-5f=30
subract 2D from each side
-5f=30-2d
divide both sides by -5
f= -6 +2d/5
Answer:
y = 90
Step-by-step explanation:
Since, e || f and a || b
Therefore, quadrilateral so formed is a rectangle.
Each angle of a rectangle is right angle.

Answer:multiplication
Step-by-step explanation:
Answer:
11918
Step-by-step explanation:
well plug em eqaul to each other to get x = 156
156 + 12 = 178
156 squared - 144 = 24192
24192 - 356 = 23836
divide by two =