A woman bought some large frames for $15 each and some small frames for $5 each at a close out sale. If she bought 18 frames for $150, find how many of each type she bought. She bought __ large frames
She bought __ small frames

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)