How many 4 digit codes are possible if the first digit cannot be 0 and digits can be repeated?

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?