Ánh sáng di chuyển khoảng 3 x 10^ 5 km mỗi giây. Khoảng cách từ Mặt trời đến Trái đất là khoảng 1,5 x 10^8 km. Thời gian ánh sáng truyền từ mặt trời đến trái đất là bao lâu?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

If you answer right ill give brainliest, : )

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x