-30+20-(-10)+15-20
D+D+9
Lattice memethmemetho
...
what is the HCF of 24 and 36
solve and show workings for 1 whole no 1/2 +2 whole no 1/3 +3 whole no 1/4
make x the subject
x-t=t+4
3z+4z+3=
If the 8th term in an arithmetic series is 39 and the 20th term - 33.
What is the common difference?
A. - 6
С. 5
B. 8
D. - 12
y<½x+4
x-2y≥6
$x^{2}$ -13x-30=0
