C/3-7=5.3 how do I do this?

A gumball machine has 280 red gumballs. If the red gumballs are 50% of the total number of gumballs, how many gumballs are in the gumball machine? A. 330 B. 230 C. 560 D. 140

Let C (x, y) mean that student x is enrolled in class y, where the domain for x consists of all students in your school and the domain for y consists of all classes being given at your school.

What is 9h to the - 2 power times 5h to the 10 power

Which ratio is equivalent to the ratio 7:6

1) You are assigned to read War and Peace for your literature class. The edition you have contains 1232 pages. You time yourself and estimate that you can read 12 pages in one hour. You have 5 days before your exam on this book.

A prism of height 12" has a rhombus with diagonals 6" and 8" for a base. Find the volume

The weight of 100 identical samples of a substance is 1 pound. What is the weight of 10 samples?

A wave has a frequency of 100 Hz and a wavelength of 0.30 m. How do you find the wave speed?

Miguel made a histogram to show the ages of all participants involved in a fundraiser which of the histogram did Miguel forget to create

Y and x have a proportional relationship, and y = 25 when x = 60. What is the value of x when y = 30? -25 -36 -50 -72