Next year, Dana will be twice as old as her sister will be. Four years ago, Dana was three

times as old as her sister was. How old is each now?

What is y=4/5x+4 in standard form

Given: A = 12,4,5,7,8) B = (3,5,8,9) What is A UB?

The answer to the problem (6 + 7) - (8 + 2) is called a

True or False. In lexicographical ordering, rst is listed the same as str.

Complete the following proof. Given: 2x 11 = 15 Prove: x = 2

The area of a rectangle is 18 square centimeters. the length is twice the width. what is the width of the rectangle? 3cm 2cm 6cm 9cm

It costs a lumberyard $2.05 per cubic foot of lumber. If they sell the lumber back to their customers for $21.

How many atoms are in 115 grams of calcium

A store sold a total of 21,650 balls. It sold 11,795 baseballs. It sold 4,150 fewer basketballs than baseballs. The rest of the balls sold were footballs. How many footballs did the store sell?

What is the Mean medium and mode 1 2 2 2 3 4 4