Need help on math plz

using Pythagoras theorem

9² = 7² + a²

81 - 49 = a²

5.65 = a

on rounding off it becomes 6 cm

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

step-by-step explanation:

. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.