At the same time, two trains start toward each other on parallel tracks, 450 miles apart. train a’s constant rate is 55 mph. train b’s is 65 mph. how long before they pass each other?

55 + 65 = 120

450/120 = 3.75 hrs

= 3h 45m

last option: rhombus or kite

step-by-step explanation:

a kite and rhombus have the same shape. as we don't have any specific formula for the calculation of area of kite. the diagonals are used to calculate the area of a kite or rhombus.

the formula for area of rhombus is given by:

here, d_1 is the first diagonal and d_2 is the second diagonal.

so,

last option is the correct answer ..

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

hope to and hope that my answer is brainliest.(follow me )