A local service technician charges $149.80 for a service call. If
the sales tax rate is 7%, what is the sales tax? What is the total
cost for a service call?

sales tax: $10.49

Total: sales tax+charges = $160.29

Step-by-step explanation:

to find out sales tax, follow formula

Tax $ = OG $ x Tax%

*usually easier to convert % to decimal if calculator does not have % option*... to convert % to decimal.. move two decimals to left and vice verse decimal to % will be two decimals to right*

ex. 7% = .07

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.