Answer:
Some of the 50 students should have been assigned to a control group that used the in-person course
Step-by-step explanation:
Answer:
try google algebra calculator
Step-by-step explanation:
Answer:
Step-by-step explanation:
we have
-------> 
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
Remember that

Answer:
i want to say C, im sorry if its wrong but im pretty sure its the right one
Step-by-step explanation:
Quadrant number II
The quadrant II has the negative x axis and the positive y axis