The science museum sells dinosaur models to schools and libraries for $107 each. the town library buys 3 models. the town elementary schools buys 5 models. what is the total cost of the models the town buys?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.