Can someone help me with this plzz will give prainlist A pyramid has 23 triangular faces. How many edges does this pyramid have?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.