How many Positive Integers are there between 20 to 100 exclusively?
a) 70 b) 80 c) 81 d) 79

3. solve by graphing: y = 2x + 6 x + y = -3

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

What is the measure of sty in oo below? 130 310 230 50