The johnsons want to cover their backyard with new grass. their backyard is rectangular, with a length of 3x – 5 feet and a width of 4x – 10 feet. however, their rectangular swimming pool, along with its surrounding patio, has dimensions of x + 8 by x – 2 feet. what is the area of the region of the yard that they want to cover with new grass? 6x2 – 55x + 104 ft2 x2 + 6x – 16 ft2 11x2 – 56x + 66 ft2 12x2 – 50x + 50 ft2

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

What term makes it inconsistent y=2x - 4

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday