If f is a one-to-one function with f(66)equals=99 and f primef′(66)equals=44, what is the value of left parenthesis f superscript negative 1 right parenthesis primef−1′(99)?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.