A local fair has an entrance fee of $10. Each ride costs $1.25. a. If Todd has $26.25, write an equation and determine how many rides could he ride
after he pays the entrance fee?
b. Explain the steps in solving the equation by naming the property or properties you used.
c. What mathematical symbol represents the word “is”?
d. What is the first step in solving this problem?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

This is about circle theorems. someone asap : (

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2