HELP PLEASE, ASAP!! Evaluate the following when a = 3, b = 1/4 , and c = 5

b^-1/ ca^-1 - ac^-1

Please please help this will mean a lot to me if someone can answer this :(

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?