Sally has four continents 2 dime 6 nickels and 10 pennies can you please help me

How to solve a simultaneous equation involved with fractions?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students