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?

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180