1 find all x such that 2.91 < x < 11.34 and x is a even number
2 the area of a rectangle is 70m2 . If its length is increased by 10% and its width is decreased by 20% then the area of the new rectangle is ...... m2
3 Peter counts his heart rate . He counts 8 beats per 6 seconds on average . How many beats per minute does Peter count ?