11x=55 just took the test
Answer: A.
Step-by-step explanation:
The given system of equations:
When we substitute the value of y in equation (2), we get
Hence, the result of using the first equation to substitute for y in the second equation, then combining like terms is
Answer:
42x - 21 - 9x^2
basically do the area of the whole rectangle then di the area of one of the empty spaces. then subtract the value of the empty space three times because there are three empty spaces.
y€ R : y greater than or equal to 1