Answer:
let cow=x and chickens =y
cows have 4 legs, 4x. chickens have 2 legs, 2y
Answer:

Step-by-step explanation:
The square of a complex number is a complex number. Here, we have:


We then have this system of equations:


Solving this system:










Answer:
24
Step-by-step explanation:
definition of coefficient: a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x y)
Answer:
A
Step-by-step explanation:
I know that 20 times 7 is 140 and if I take away 2 sevens that leaves 126. So 126 \div 7 = 18
Answer:
Part-To-Whole
Step-by-step explanation:
Part--> 6:18 <--- Whole.