Please help, will give brainliest if correct!! ASAP (Number pointing to red line is 5cm)

Find the surface area of the composite solid. Round your answer to the nearest hundredth.
A. 178.04cm2
B. 184.04cm2
C. 187.08cm2
D. 192.04cm2

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.

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

What is the value of the discrimination for the quadratic equation 0=×2+2+×2