I need help with this Question. Solve the system by substitution y=3 and 2x-y=11

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound