Please help me with the question

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

Jonah buys a television that costs $445. sales tax in his state is 7 percent. which of the following expressions represent the amount of tax on the television?