Step-by-step explanation:
y=1/2X +2 ,-X +2y= 4
2( y=1/2x +2)
2y= x+2
-x =x +2-4
-2x=-2
x=1 #
-1+2y=4
2y=4+1
2y=5
y=5/2
y=2.0
Answer: a. 46 cm
(7 + 14) × 2 + 2× 2 = 46 (cm)
Answer:
the answer is c because it can be either greatly increased or decreased
4 altogether
0,1 + 1, 1 = 1 RA
0,1 + 2,1 = 1 RA
0.2 +1, 2 = 1 RA
0,2 +2,2 = 1 RA