In the state long jump competition Mark jumped 18
9
16
feet, Julio jumped 18
1
2
feet, and Trent jumped 18
5
8
feet. These were the top

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

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.