Answer:
A. 3, 4, 5
Step-by-step explanation:
Option A:
LHS = 3² + 4² = 9 + 16 = 25
RHS = 5² = 25
(3, 4, 5) is a right triangle.
Option B:
LHS = 7² + 8² = 49 + 64 = 113
RHS = 9² = 81
(7, 8, 9) is NOT a right triangle.
Option C:
LHS = 3² + 9² = 9 + 81 = 90
RHS = √95² = 95
(3, 9, √95) is NOT a right triangle.
Subtract 7.75 by both sides then. subtract y both sides. you need x and y to be on one side. 5/2x-y=-7.75
It’s 2/3. This is because 1/15 is 3/45 because 3 is the number of eclairs. So then (2x+6)+x=45-3. 3x+6=42. 3x=36. x=12. Humbug=2x+6. 2(12)+6=30. So the probability is 30/45, which can be reduced to 2/3. I hope this makes sense.