Solve the formula for the indicated variable. The formula for density is D =m/v, for v. What is v equal to?

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.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36