I need help on this I need to find the restrictions and the rest ​

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

Let w=23 . what is the value of w + 45 ?

Evaluate the expression for the given value of the variable 7a - 4a for a =8