Answer: you can change the subject so that you can help people with other subjects
Step-by-step explanation:
Answer:
Positive to negiative and they counded by 2s for the positive one and 6s for the negative one.
Step-by-step explanation:
Answer:
180
Step-by-step explanation:
Using the order of operations, we start with the equation in parentheses. This equals 15. Now we multiply 12*15 to get the answer. Doing the math, we get 180.
Good luck!
Answer:
x=-1,y=1
Step-by-step explanation:
x+y=0
x-y+2=0
Therefore 0=x+y
x-y+2=x+y
2y=2
y=1
x+1=0
x=-1
Step-by-step explanation:
Area of trapezium=(b1+b2)*h/2 ( as given in figure)
b1=30in.
b2=36in.
h=20in.
Area=(30+36)*20/2
=660inches²
