5. Joaquin has agreed to lend his younger brother $45 so that he can buy a new
tank for his pet lizard. Joaquin is charging his brother 2% simple interest per
month. If his brother pays him back in 6 months, how much will Joaquin get
back?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm