the solution of simultaneous equations x+2y=8 , x-iy=3
4$(2a-1)^{2}$ -36$(a-3)^{2}$
solve the system of equations by elimination
-7x+y=-19
-2x+3y=-19
2(3x)
sketch the graph of y=-x^2-2x+3 clearly showing the nature of the graph and turning points
30-[15+7-(7- 3 -4)-2]- 3×7
Consider that you want to build a fence using 3.5 in slats. Also, you want the spacing between the slats, s, to be less than or eq...
Around the circumference of a circle, mark 21 points, equally spaced, and label them 0, 1, 2, ... , 20
n
in cyclic order. Mar...
lowest common denominator of 20 and 8
40 - 5x -3=2(3x -4)+ 3x
