If p= 7cm and q= 5cm both to the nearest cm, find: a)largest possible value for p+q
b)the smallest possible value for p+q
c)largest possible value for p-q

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Evaluate the expression. (9 + 5)(3 + 2)0

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.