True or false. 1)the slope of the line passing through (-10,3) and (-2,5) is m=3/10

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years