Evaluate the expression 900.3M for m = -2.
(Type an integer or a simplified fraction.)

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

What is the number 321,000,000 in scientific notation? also what is the number? ?

Which graph represents the function g(x) = |x + 4| + 2?