Which number has point symmetry?
707
619
33
18

Which strategy is used by public health to reduce the incidence of food poisoning?

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?

How many zeroes do we write when we write all the integers 1 to 243 in base 3?