Thirteen of 50 states in the united states do not touch the ocean. write 13/50 as a decimal and percent

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

What is the standard form of -5x^2+2x^4-11+x^3+3x

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?