Evaluate each expression

1/7 + - 5/7

Nine actors audition for four different parts in a play. in how many ways can the director fill these roles? A:368,880 B:15,120 C:3024 D:126

Julie, a police officer, has the following work pattern. She works 3 days, has 4 days off, then works 4 days, then has 3 days off, and then the pattern repeats. Assume that today is the first day of the work pattern.

Which diagram shows ∠1 and ∠2 as vertical angles?

If it takes 8 men to build a wall in 10 hrs how long u thing it will take 8 men to build a wall?

During a discussion in science class, Sharon learns that at birth an elephant weighs around 230 pounds. In fourth herds of elephants tracked by conversationists, about 20 calves were born during the summer.

Julissa has 15 stamps and Ethan has 14 stamps. Pawel has three times the number of stamps as Julissa and Ethan combined. Julissa thinks that 100 is a reasonable estimate for the number of stamps that Pawel has.

What is the value of 0.77 in the tenth place

What does - 2L+2L=16 equal

Match each variable with what it represents in a sequence formula. 1. r the value of the first term 2. d the value of the nth term 3. n common ratio 4. an common difference 5. a1 term number

Erik rides his motorbike 2623 miles in 23 hour. What is Erik's average speed in miles per hour? Enter the number in the box.