Can someone

use elimination to solve for x and y:

−2x−y=9

2x−9y=1

my choices

a. (−4,−1)
b. (−1,−4)
c. (5,1)
d. (−1,−7)

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step