Will mark brainliest if right and show your work ...

What is the sum of the polynomials?

(9x^4-13x^3-x-7) + (7x^3-2x+1)

What number is in between - 3/4 and 5/8?

The reciprocal of - 7 is: - 7 7 - 1/7 1/7

Daraell completed 35 push-ups in 1 minute 8 more than his previous personal best. Mia completed 6 more than Kate. If Mia completed the same amount of push-ups as Darrell completed during his personal best, how many push-ups did Kate complete?

Chad is deciding what gym to join. Joe's gym has an initial membership fee of $120 for the first month and $24 for each additional month. King Gym has an initial membership fee of $89 for the first month and $26 for each additional month.

Carla bought two pounds of red beads 1 3/4 pounds of green beans and 10 ounces of string at the craft store how much do Carla supplies weigh in all

12 divided by 1/9 equals

15) Susan's beach bucket can hold 7 seashells. She wants to collect 28 seashells. How many buckets will Susan need? A) 1 B) 4 C) 7 D) 8

In a 50-question test, the highest score in the class is three times the lowest score minus four. The difference between the highest score and the lowest score is 30. What is the highest score?

Original price: $32; Markup: 12.5%; what is Retail Price

an airplane 30000 feet above the ground begins descending at a rate of 2000 feet per minute. write an equation to model the situation.