Twice a number plus four is equal to seven less than the number

Judy has a collection of 30 stamps. She can divide the stamps into 2 equal groups of 15 stamps. What are two other ways she could divide the stamps into equal groups.

True or False: The vertex of the graph y=ax^2 will be at the origin.

Roman is playing a game in which he draws cards from a standard 52-card deck. Roman draws one card from the deck, sets it aside, then draws a second card. Roman wins if the color of the first card is the same color of the second card.

Between August 1 and September 7 456 people died in the city. what was the average daily number of deaths during the 38 days

If sin (Ф) = 3/5, and cos (Ф) = -4/5, which of the following is true? a.) sin ((π/2) - Ф) = 4/5 b.) cos ((π/2) - Ф) = -3/5

How do you write 18/40 in a decimal

A six-sided die in which each side is equally likely to appear is repeatedly rolled until the total of all rolls exceed 400

How to find the area of an octagon. Just the formula.

Solve the proportion. 2/x-3 = 5/x a. 5 b. 2 c. 10 d. 15

Convert 70% into a fraction