Jason's piggy bank contained $5.70 in nickels and pennies. If there were 30 more pennies than nickels, how many of each did he have in the piggy bank?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.