A T-shirt at a department store costs $5.50. The total cost, in dollars, of a T-shirts is given by the function C(a) = 5.50a.
Complete the table of values for 4 T-shirts.

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

When y’all answer can y’all explain too !