Answer: 17.46
Step-by-step explanation:
X^2 = 7^2 + 16^2 = 49 + 256
X^2 = 305
X = sqrt(305)
X = 17.46
Answer:
-8
(x-3y=136) + (18x+3y=288) We collect both processes to make y's disappear
19x=-152
x=-8
I can't see the picture sorry
24 - 24 = 0 (carols age past tense)
24 x 4 = 96
96 - 24 = 72 (present tense)
carol is now 72 yr
ans is -4