One side of the patio is represented by the line y=2/3x+5/3 The other three sides of the patio will be represented by one line with a slope of and two lines with a slope of and two lines with a slope of___

Nikolas calculated the volume of the prism. his work is shown below.

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?