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?

Caitlin had 402. in her bank account. she withdrew $15.each week to pay for swimming lesson. she now has $237.

Is an altitude in triangle abc. which statements are true? check all that apply. δabc δbxc δaxc ~ δcxb δbcx δacx δacb ~ δaxc δcxa δcba

There are 1872 steps in a building that has 104 floors. each floor has the same number of steps. a second building has the same number of floors but 2 fewer steps between each floor. how many steps are there between each floor of the second building?