Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

What is the factored form of the following expressions? d^2 – 13d + 36

Select the number of ways in which a line and a circle can intersect