Which elements of Set Z are both odd and multiples of 7? Z = {−21, −14, −7, 0, 7, 14, 21}
�� {−21, 21}
�� {−21, −7, 7, 21}
�� {−14, 0, 14}
�� {−21, −14, −7}

Can i get some on 18,20,& 22? or one of them

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.