Marcel bought a Rubik's™ puzzle in the shape of a triangular pyramid. The base is an equilateral triangle with sides of 3 inches and a height of
2.6 inches. The height of the puzzle is 2.1 inches. What is the volume of
this puzzle to the nearest tenth of a cubic inch?​

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Qrst is a parallelogram. determine the measure of ∠q pls