Prove your answer as to why 9 in, 4 in, and 6 in will or will not form a triangle.​

it can but not be equal on all sides

Step-by-step explanation:

In order to form  a triangle the sum of two sides

of a triangle should exceed the third side.

9 + 4 > 6

13 > 6 ( TRUE)

4 + 6 > 9

10 > 9( TRUE)

9 + 6 > 4

15 > 4 ( TRUE )

SO IT CAN FORM A TRIANGLE

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.