Twice the number of a number 9 is 6

The system of equations 2x-y=2 (x+1) y=-2 has infinitely many solutions one solution no solutions

there are 150 sheep in a flock 34% of them are white what is the total number of white sheep in the flock?

What is the relationship between the variance and the standard deviation for a sample data set?

On a map, 1 inch equals 20 miles. Two cities are 135 miles apart. What is the distance between the two cities on the map?

Match the terms to their definition. 1. an open sentence of the form Ax + By + C 0 linear inequality2. equation containing more than one variable compound inequality3. a statement formed by two or more inequalities literal equationan

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.