John has 2456 pennies in his coin collection. he has the same number of pennies in each of 3 boxes. estimate to the nearest hundred the number of pennies in each box.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?