The base of a solid oblique pyramid is an equilateral triangle with a base length of 18 inches. what is the height of the triangular base of the pyramid?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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!

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20