What percentage of a dollar is the value of each coin combination? a) 2 dimes, 3 nickels, and 2 pennies
b) 4 dimes, 7 nickels and 4 pennies
c) 7 quarters and 1 nickel

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters