An electrician charges $30 for a service call, plus $75 per hour of service. If he charged $210, how many hours did he work?

Express 5.43 x 10-4 in standard notation.

a temperature of - 6° is colder than a temperature of 5°f below zero. is this statement true or false?

A Gatorade cooler has 36 cups of water if a serving is 3/6 of a cup

What is the median for this set of data 14,62,35,38,58,46,62? A:45 B:46 C:48 D:62

What is 2.7 times 10 power of five

Identify the solution of the inequality using the given replacement set c<-2; {-4.2,-3.6,-2.5,-2,0,4,4.1}

10,483 people attended a rock festival. If there were 811 more boys than girls, and 2,481 fewer adults over 50 years of age than there were girls, how many of each group attended the festival?

When Rosa tripped and fell into a muddy puddle at lunch (she was so embarrassed!), she knew exactly what would happen: within ten minutes, the two girls who saw her fall would each tell four people what they had seen.

What is the Vertex y=2x^2+6

What is 128 divided by 8