Answer:
choice f
Step-by-step explanation:
take ∆ abc
ab^2 = ac^2 + ab^2
400 = 225 + ab^2
ab =√ 175
∆aDB
bd = 20-x
ad^2 = 175 -(20-x)^2
∆acd
225 = x^2 + 175 - 400+ 40x - x^2
225 = -225 + 40x
450 = 40x
x = 45/4
She bought 30 tickets. Just do 7.50 divide 0.25.
Answer:
The GCF Is 12
Step-by-step explanation:
12 can go into 24 2 times, and 12 can go into 108 9 times.
Give brainliest.
Answer:
The union is {1,2,3,4,5,7,9,10,12,13,15}
Step-by-step explanation: