Triangular pyramid: volume 270 cm3; base
edge 15 cm; height of base 4 cm

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.

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.