What is the value of x in the proportion x + 1 / x+3 = 15 / 21

a. 4

b. 1/3

c. 1/4

d. 3

Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 days of practice.

Choose the correct sum of the polynomials (4x3 - 2x - 9) + (2x3 + 5x + 3).

A movie rental website charges $5.00 per month for membership and $1.25 per movie. Marisa has $18.50 this month to spend on movie rentals. How many movies can she view this month? She thinks she can afford 11 movies in 1 month.

The sum of 2 consecutive integers is 193

During dance practice, Sasha drank 21⁄2 pints of water, and on the way home she drank 1⁄2 cup of water. How much water did she drink in total?

Robert has a container of a shape of a cube with an edge length of 6.1 what's the value of the container

How to compare 2 quantites so that the second quantity has a value of 1 without using a diagram

What is the bigger number, a googol or a billion?

In the town zoo, 3/28 of the animals are birds. Of the birds, 4/15 are prey. What fraction of the animals at the zoo are birds of prey.

what is the answer to do problem? 2 (4j-16) = 8 (j-4)