ack had quite a few hockey cards, and Jill had some of her own. Jack gave Jill as many hockey cards as she already had. Jill then gave Jack back as many cards as he had left. Finally, Jack gave her back as many cards as she had left. This left poor Jack with no cards and left Jill with 40 cards altogether. How many hockey cards did each of them have just before these exchanges took place

Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8 +1/8+1/8+1/8+1/8+1/8d.8/8+6/8

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \