If P(2,-1),Q(-2,2) and R(-1,4) are the mid-points of sides of∆ABC, find the vertices of∆ABC please help me I need for exam​

What is the base of 1/9 to the power of 2

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

A. the probability that a product is defective is 0.1. what is the probability that there will be 1 or less defective products out of the next 8 produced products b. the expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. what is the probability of finding 12 or fewer imperfections in 260 yards c. in a lot of 54 products there are 9 defective products. calculate the probability that not more than 1 is defective from a random sample of 17 products.