Nadia will be x years old y years from now. How old was she z years ago
0.043X=1.26
what is the smallest number by which 864 must be multiplied to make the quotient a perfect square
5/7,2/3,4/5 in acending order
10*2^0+1
Prove
Cos +1/cos + cos -1/cos = 2
what is the sum of five consecutive even integers is 740
−3(−x + 2) − 5x + 8 = 4(x + 1) + 10
x^2 + 5x = x^2 + 4x +3
25% of 507.942