how many prime numbers are a multiple of 5
If x=1.25 is y=0.25
What is y, if x=0.9
The equivalent of 0.9 if 1.25 equals 0.25
helen has 80 books
each book is fiction or non fiction
the ratio of the number of fiction books to the number of non fiction boo...
sin(3θ)+1=0
sin(30)+1=0
Line A has gradient 2a and passes through (0, 3b) and (6, 9)Line B has gradient b and passes through the (0, 2a) and (-3, 5)Line A...
(x² -xy + y²) * (x² +xy - y²) - x *(x-y)³ -3xy * (x² + y²)=
8320-7908
cos6x + cos2x = 0
