Calvin's monthly salary is $1200. In January, he spends 80% of the salary and saves the rest. In February, he spends 10% less than what he spends in January. How much does he save in February?

In the rectangle below ac=30 units what is de

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

If rt is greater than ba, which statement must be true ?