samuel invested $9200 in an account paying an interest rate of 7 1/8% compounded monthly. Noah invested $9200 in an account paying an interest rate of 7 3/4% compounded daily. After 7 years how much more money would Noah have in his account than samuel to the nearest dollar?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

What percent of the circle below is shaded?

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