10x-4y=-18
-4x+28y=-24
Use the four-step process to find f(x) for f(x) = -3x + 2.
10,438.92 divided by 3= ?
calculate P(9≤χ2≤18)
suppose that x2 follows a chisquare distribution with 11 degrees of freedom
$\frac{x+20}{x}$ = x
solve the differential equation x^5+dy/dx+y^5=0
x(x-6)=4x-21
17x^2+18d^2-72dx=0 find x
1+1
(0.6 x 10%) + [0.4 x 4.2% x (1-0.30)]