Ascience museum offers tours for school groups with 20 or more students. the tour costs $100 plus $3.50 for every student in excess of 20 students. a school group pays $345 for the tour.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Put the equation in slope intercept form by solving for y