When adding integers with the same sign, add the
values of the integers.

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Nine more than four times a number is the same as one less than twice the number. find the number?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .