Please help me out! If not this one than my other one says “Determine if the expression -r-9r^4 -4r^3. State the type of polynomial and degree of the polynomial.”

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

What is the total surface area of the square pyramid