x - 7
Step-by-step explanation:
Given
x² - 49 is a difference of squares and factors as (x - 7)(x + 7)
= ← cancel x + 7 on the numerator/ denominator
= x - 7
Formula used: a²-b²=(a-b)(a+b)
answer: the two figures are congruent.
step-by-step explanation: they're congruent because figure efgh is reflected across the x and y axis but it was also rotated.
hope it !
168
step-by-step explanation:
i am pretty sure that the answer is 168