You buy some post cards at 55cents each and one newspaper for 35cents. which could be used to determine the number of post cards (p) you can buy if you only have $2

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?