Who keeps reporting my questions echo keeps finding them and deletig them fight me echo

Write the expression as a single natural logarithm. 2 in a - 4 in y

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2