Peanuts: your cost c to buy a p pounds of peanuts at $1.50/lb is represented by c = 1.5p Is it continuous or discrete

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2