Answer:
the answer is b
Step-by-step explanation:
khan academy
Answer:
?=9
Step-by-step explanation:
We have a special right triangle, the 45-45-90 triangle.
In a 45-45-90 triangle, the side lengths are x, and the hypotenuse is x√2.
Since we know that the side length is 9, this means that:

The ? is 9.
1 gal = 3.8 liters....so 65 gallons = 65 * 3.8 = 247 liters
Answer:
D
Step-by-step explanation:
4 + 12 + 18 + 68= 102/2 51
40 + 28 + 52 + 76= 196/2 98
51:98
So you basically plug in the x value beside the 5 so if your on number 3 the answer would be 5(3) which is 15