A civic group is selling bumper stickers as a fundraiser. During the first week, they sold 500 bumper stickers. During the second week, the group sold 50% more bumper stickers than the first week. During the third week, the group sold 50% fewer bumper stickers than the second week. Explain how you can use proportions to find the percent decrease from the first week's sales to the third week's sales.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl