Camille is comparing different apartment complexes. Here is the data she collected.
Complex name
Rent includes heat
Amenities
Bedrooms Bathrooms Rent
2
2
990
Grand Vistas
no
fitness center, pool
Maple Ridge
1.5
fitness center, pool
2
2
2
685
790
yes
no
Old Mill
1.5
pool
Willow Brook
885
no
jacuzzi
The individuals in this data set are:
Choose 1
Amenities
Apartment complexes
Landlords

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

If f(x)= x^2 - 4 and g(x)=x^2 + 2 x, (b). (f-g)(x) i think i know the 1st 2 steps: f(x)-g(x) x^2-4 - x^2+2x