3xy + 1 = 2y - 5x
5b - 3( b + 2) when b = 7
2x+5=
x = $\frac{4}{3}$ * 5
proof
var(ax+b)=a²var(x)
a $\sqrt{c-b\}$ = b
make c the subject
d= $\sqrt{\Box}$ 4h/5 make h the subject
A coin is tosed twice and die is called rolled once. find the prob of the following event . a two heads and five ,b exactly one he...
proof Var(ax + b)= a^2 Var(x)
On Monday, a museum had 460 visitors. On Tuesday, it had 600 visitors. Estimate the percent change in the number of visitors to ...