Which expression is equivalent to 7b+4b- 16?
2b
4b
10b
12b

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

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion