Lucys family purchased one sweatshirt and four t shirts for a total of $110. marks family picked up three sweatshirts and four t shirts for a total of $200. write and algebra equation for each purchase, use your equation to find the cost of the shirts and sweatshirts

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.

Find the cosine function that is represented in the graph.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81