Common core performance assessmentfield daymitch wants to build a sandbox in his backyardhe needs to decide on a design to use he wilborder the sandbox with wood places that arefeet long each wood plece costs $3.eachsquare foot of sand will costs4. mp1 make sense and persevere what are themissing lengths in sandbox a and sandbox ? 5. mp6 be precise how many wood pieces does mitchneed for sandbox a? 6. mp6 be precise how many wood pieces does mitchneed for sandbox b?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u. s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.