2x+3=18+x/2
3x+4=14+x/2
simplify the given expressions with rational exponents with equation (a2)1/2
X is a normally distributed random variable with mean 42 and standard deviation 8.
What is the probability that X is between 34 a...
a rhombus has vertices at (1,6), (5,8), (9,6) and (5,4) Describe all the rotations that take the rhombus onto itself
what is every prime fraction
2.9^(2x+1) = 729
f(x)=x^(4)-2 x^(2)
det([3 -3 0 9; -3 5 4 -9; 0 4 13 0; 9 -9 0 31])