If 35% of the 300 students in 6th grade have an older brother or sister, how many 6th graders have an older
sibling?
To solve this problem, we can write
as
and then create
6th graders have an older brother or sister.

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.