Answer:
20x-12
Step-by-step explanation:
distribute
Answer:
B
Step-by-step explanation:
because it is the same size as the 9cm side
i think its 12 because the two triangles look identical so both angles should measure up to 60°. 5 × 12 = 60. also in that case y would be 7.
Answer:
Step-by-step explanation:
is the proportionality constant.
The 
is the independent variable and 
is the dependent variable.
The proportionality constant is 
.
Answer:
Step-by-step explanation:the answer would be the first one. (2x+3)
