How many permutations of 4 different letters are there, chosen from the twenty six letters of the alphabet?

A package of 19 medicated cough drops cost $0.99. What is the unit rate

The base and the height of a parallelogram are multiplied by 6. Which of the following describes the effect of this change on the perimeter? The perimeter is multiplied by 1/36. The perimeter is multiplied by 1/6. The perimeter is multiplied by 6.

a family has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Ryan made 1 1/2 batches of cookies, each batch needs 2/3 cup of milk. How much milk did Ryan need

20% of what number is 98?

Solve this equation by factoring b^2+5b-35=3b (b^2 means b to the second power)

If a spider can move 4/5 of a mile every hour how many hours would it take for the spider to go 4 miles

Divide x³+x²+x+1 by x+1

Officer Brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. What is the percent decrease? Give your answer to the nearest tenth of a percent.

Write 0.65 as a fraction