Mary and her brother john collect foreign coins. mary has 3 times the number of coins that john has. together they have 180 foreign coins. find how many coins mary has.

Find the 9th partial sum, s9, for the sequence 1, - 1, 1, - 1, ...

How is a scientific notation used in the real world?

What is 75,000 in scientific notation

What type of symmetry does a regular hexagon have?

An automobile saleswoman earns 12% on all of her sales. Last month, she sold 3 cars for a total sales amount of $28,950. What is her commission?

Let f (x) = (x+2) 2. Let g (x) = 3 (x+2) 2. Which statement describes the graph of g (x) with respect to the graph of f (x) ? A. It is stretched vertically by a factor of 3. B. It is compressed horizontally by a factor of 3. C.

7 is what percent of 56?

Step by step how to solve 4x+2=5 (x+10)

Maria bought a bag of marbles. There were twice as many purple ones as red ones. There were 93 marbles in all. How many of each color marble were there?

Joelle is working on a school report in a word processor. She wants to place a figure which is 13.09 wide so that it appears centered on the page. The width of the page is 21.59 cm.