What is the? in this pattern

3, - 6, 12, 4, 20,?

Li and Jen went shopping. • Li bought 5 pairs of earrings and 1 necklace for a total of $68. • Jen bought 1 pair of earrings and 2 necklaces for a total of $55. Each pair of earrings cost e dollars and each necklace cost n dollars.

Mixed number 7 1/20 as a decimal

Jean-Patrick found an old unopened bag of lawn fertilizer in his shed. The bag weighs 36 pounds, and the instructions claim it can cover 10,000 ft^2. If his lawn is 7,000 ft^2, how many pounds will he need? Round to the nearest tenth if needed.

Together, Dulcina and Hannah have 78 refrigerator magnets. Hannah has 2 times as many refrigerator magnets as Dulcina. How many refrigerator magnets are in Hannah's collection? How many refrigerator magnets are in Dulcina's collection?

153,394 round to nearest hundred thousand

Midge walked 3/4 mile Monday and 1/4 mile on Tuesday. let x = how much farther she walked on Monday.

Last week at the lake it was 23 °C. Yesterday it was 13 degrees warmer. What was the temperature yesterday?

What is 0.222 in fraction form

What is the probability of rolling a cube and having it land as a six?

Jon exercised 3.5 hours per day for 4 days last week. He burned 330 calories per hour exercising. How many calories did Jon burn in all last week