Anumber r is more than 0 or less or equal to -8

r > 0 = r is greater than 0

r ≤ 8 = r is less than and equal to 8

0 ≤ r ≤ 8

x = 25

step-by-step explanation:

a^2+b^2=c^2

7^2+24^2=c^2

49+576=625

sqrt625=25

x=25

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)