A guitar was originally priced at $90, but Natalie waited to buy it until the guitar was on sale for 5% off. If she paid 4% sales tax on the sale price, how much did she pay in total?

Which choice represents the sample space ,s for this event

If i had 1234 apples and 1 banana what is the total amount

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g