What is the square root of 149 rounded to the nearest tenth?

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1