Find the ratio of black cell phone covers sold to the total number of cell phones covers sold last week. Then explain its meaning = info below

Green Cover : 5

Silver Cover:6

Red Cover:3

Black Cover:4

What is - 7/28 in simplest form

An inheritance of $40,000 is divided among three investments yielding $3,500 in interest per year. The interest rates for the three investments are 7%, 9%, and 11%.

Ms. Rao buys a computer, a printer, and a scanner for $2,543. The computer costs $1,502 more than the printer. The printer costs $123 more than the scanner. How much does Ms. Rao pay for the computer?

What is the angle of rotation from wx to w'x'? Assume that the center of rotation is the origin. a. 90° counterclockwise b. 180° counterclockwise c. 270° counterclockwise d. 360° counterclockwise

Wich number is equivalent to 3^4 / 3^2 = ? A.) 2 B.) 9 C.) 81 D.) 729

14:100 in calculator notation

Solve the inequality 7 (x - 2) < - 5. x < 9/7 x > 9/7 x < - 9/7 x > - 9/7

What are the values of i and j after the following code snippet is run? int i = 10; int j = 20; int count = 0; while (count < 5) { i = i + i; i = i + 1; j = j - 1; j = j - j; count++; } System. out. println ("i = " + i + ", j = " + j);

A certain radioactive isotope has a half-life of 5 days. If one is to make a table showing the half-life decay of a sample of this isotope from 32 grams to 1 gram;

Count by ones from 368 to 500. change for a larger unit if. necessary. When counted from 368 to 500