If x and y are positive, is x-y always positive?

SEM Simone's bookshelf has 72 books in it. If one in eight books are fiction, how many fiction books does Simone have?

Central Limit Theorem 25 SAT scores are randomly selected from a population of SAT scores that are normally distributed. The population has a mean of 1518 and standard deviation of 325.

Simplify the fraction to lowest terms, and enter your answer below as a fraction using the slash mark (/) as the fraction bar. 55/80?

Sample standard deviation of data set 3,4,4,6,7,7,8,9,11,12

Ax-14=-3. Solve for x

Adriana writes the equation y = 2x + 4 to represent a line on a graph. Henry writes an equation that has a y-intercept that is 1 unit lower on the graph but has the same slope as Adriana's line.

A physician orders 0.5oz of magnesia and alumina oral suspension antacid 4 times per day for a client with indigestion. how many milliliters of the antacid is the client to ingest in a day?

walt averages 98 miles per hourin 4 races. if each race is 95 miles in lenght, how many miles did walt drive in the race?

What are all the sets of numbers for 2/3

What is the square root of 16x36? 4x6 4x18 8x6 8x18