felipe quiere cercar con alambre un terreno rectangular que mide 180m de largo y 85m de ancho¿ cuantos metros de alambre necesita​

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it