Anwer is the first choice. When you plug in the values, the only choice that works is the first one
Answer:
The test contains 10 three-point questions and 14 five-point questions.
Step-by-step explanation:
We can substitute a definition of one of the variables by rearranging the first equation.
We set the first equation equal to one of our two variables.
Now we substitute this equality into our second equation
Answer: X= 9 and X= -5
Step-by-step explanation:
X^2 - 4x = 45
Move the 45 to the left side by subtraction
X^2 - 4x -45 =0
(X-9)(X+5) = 0
So X= 9 and X= -5
Answer: y intercept is 4
Step-by-step explanation: pretty sure but not sure haha