Which shows the best estimate for the sum of 2,546,816 and 3,783,659 if each number is rounded to the nearest ten thousand? pls i need this to my little brother for his test.

6,000,000

6,030,000

6,300,000

6,330,000

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Solve the equation. 2x - 8(x+1)= 6(2x - 3)