6- Karen is making a frame for a square picture with an area of 169 square inches. How many inches of framing are needed?
a) 13
b) 14
c) 15
d) 16

PLEASE HURRY! I WILL MARK YOU BRAINLIST OR WHATEVER... IF YOU DO IT PLEASE

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Which expression is rational? 6. , square root two, square root 14, square root 49

What are the triple angle formulas? is it related to double angle identities?