Simplify the algebraic expression: 14xy + xy – 4yx + yx
Simplify the algebraic expression: 15xy – 13 + 4x + 3y + xy + 21
6.7×10^-11×6×10^24×7.4×10^22÷(3.84×10^8)^2
-9/(-3)
sspace minus 9 divided by left parenthesis negative 3 right parenthesis
if 3cm=2km then 18km= ______
15 5/10
1.6 x $10^{6}$
Calculate the volume of timber remaining after a 150mm long hole has beed drilled through a wooden sphere
16 3/6
