express (100km,225 degrees) in the form (a,b)
2*28+12
simplify (5 - 2*(cos(x) - sqrt(3)*sin(x)))^2
derivative of u=(1/t)-1 with all steps
d/dx100(1+x)^(1/100) -d/dx(ln(1+x))
X+18% OF X =7648500
FIND THE VALUE OF X
3m=2n-6½
4m+n=6
solve my simultaneous equation
the width of a rectangle is 5 cm less than the length. if the area is 84cm^2, find its length
Sarah has 3/4 of a cake. She eats 1/2 of the cake and then gives 1/4 of the remaining cake to her friend. How much cake does Sarah...
x2x^{2}x2 = 5-y, y2y^{2}y2 = 5-x, find xy