Which number is the best approximation for 5√2+2√3 ? 3.0 3.4 6.5 9.9

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.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²