Express your answer as a polynomial in standard form. f(x)=
f(x)=
\,\,x^2+4x-1
x
2
+4x−1
g(x)=
g(x)=
\,\,2x-7
2x−7
\text{Find: }g(f(x))
Find: g(f(x))

Simplify the expression 10/11(22z) + (a+5) -1

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.