Plz help asap its a timed exam (for math) A rectangle and a vertical line are shown. If the rectangle is revolved about the vertical line, what is the resulting object? a rectangle with one side against a vertical line

A. solid cylinder
B. hollow cylinder
C. hollow cone with truncated top
D. solid cone

I put the image then the answers!

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

What are the excluded values? m+5/mn+3m

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!