Write the explicit rule
a1=5 d=4

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

5/6+7/8what is the answer sealsdbdbshd