My number has 2 hundreds. the tens digit is 9 more than the ones digit. my number is?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.