3
x
+
y
=
−
14
4
x
+
4
y
=
−
16

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Write the equation of the circle centered at (10,-2) with radius 2

Astudy of 80 english composition professors showed that they spent, on average, 14.6 minutes correcting a student's term paper. construct and interpret a 90% confidence interval of the mean time for all composition papers. assume that the population standard deviation is 2.9 minutes. round to 1 decimal.