(x+300)×15×3÷3
360-291
168+123
180-132
180-71
42+29
49^3/2 = 343
HCF of 36 and 84 is?
3x - 6y = 9
2x - 4y = 6
AB is a straight line
work out the angle x
one angle is 42 the other angle is 29