Sorry i dont know the answer but i can help you with your other questions
Answer:
Step-by-step explanation:
-2(2)-1+1(1)-1(-1)
Do multiplication
-4-1+1+1
Now add/subtract
-5+2
-3
Answer:
Point D
Step-by-step explanation:
AD and CD are a line
The intersection of two lines is a point
The two lines intersect at point D
Answer:
5
Step-by-step explanation:
u can add 2 and 3 when their base number (3) are the same
Y/3=12 should be y=63 because 63/3=12