Answer:
21
Step-by-step explanation:
According to the diagram we can prove that the two triangle are congrunt use ing HL,so that 3x+9=45-6x
x=4
SO angel ABD is 21
Answer:
Help me! My answer.
Step-by-step explanation:
Answer:
Correct option is
B
1.x+0.y=7
x=7 can be written as, 1.x+0.y=7 as the coefficient of x is 1 and that of y is 0. Step-by-step explanation: