Each row in the table shows a property being used while solving an inequality. Select each row where the property is being used correctly.
-3x - 4 -
-3xx
2(x - 5) + 1 55
2(x - 5) 54
-4x2-24
XS6
x> 27
áx<9
x = 2y and 2x + 2y > 60
by > 60
y+254 - x and 4 - x 5 3y
-
y+2 s 3y

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)

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247