What is the highest common factor of 27, 92, 93 and 6?
What is the highest common factor of 38, 95 and 57
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3x+4y=24
2x−y=3
$$\begin{bmatrix} 1 & -x & 1-x & 0 \\\\ x & 1 & x+1 & 0 \\\\ 0 & x & -x & 1 \\\\ 0 & -2x & 2x & -1 \end{bmatrix}$$
what is ...
2x+3y=12
x−y=1
k(k-9)
Prove that
(i) sqrt(x ^ - 1 * y) * sqrt(y ^ - 1 * z) * sqrt(z ^ - 1 * x) = 1
(ii) (chi ^ (1/(a - b))) ^ (1/(a - c)) * (chi ^...
john had 1500le when going to school.He spend 1/3 of it on transport and the rest on lunch.how much did he spend on luch?
