If Option Strict is on, you would use the statement to assign the contents of the txtSales control to a Double variable named dblSales. a. dblSales = txtSales.Text b. dblSales =...

If Option Strict is on, you would use the statement to assign the contents of the txtSales control to a Double variable named dblSales.

a. dblSales = txtSales.Text

b. dblSales = txtSales.Text.Convert.ToDouble

c. Double.TryParse(txtSales.Text, dblSales)

d. TryParse.Double(txtSales.Text, dblSales)

Which of the following declares a named constant having the Double data type?

a. Const dblRATE As Double = .09

b. Const dblRATE As Double

c. Constant dblRATE = .09

d. both a and b