Keiko guess that a jar held 590 jelly beans. the actual number in the jar was 623 jelly beans. what is the percent error of keiko’s guess? round your answer to the nearest tenth of a percent. ?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?