In Psychology 101, the ratio of the number of juniors to the number of seniors is 3:1. After one junior drops the class and three more seniors sign up, the ratio of the number of juniors to the number of seniors becomes 5:2. How many students are in the class after these changes?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8