Is y=-6x+15 a linear equation

Dee has at most $150 to spend on restocking dolls and trains at her toy store. Dolls cost $7.50 and trains cost $5.00. Dee needs no more than 10 trains and she needs at least 8 dolls. Write a system of inequalities (3) to describe this situation.

Simplify 4y + 2y - 5y

What is the volume of the eraser? 4 cm 24 cm3 52 cm2 52 cm3

The equation, 3y=4x. If x=5 in the equation, y is how much greater than x

Mr. Niles has a box of accessories for clarinets he has a total of 42 objects. He has 12 mouthpieces He has 4 times as many reeds as neck straps. How many of each object does he have

Solve (x + 9) 2 = 25. Vox + 9) 2 = 25 1. Apply the square root property of equality: 2. Isolate the variable. If x + 9 = 5, then x = ? If x + 9 = - 5, then x = ?

The class decides to make chocolate chip cookies for Ms. Zagars first day of school in September. Each student needs 3/4 of a stick of butter for the recipe. If 14 students want to make cookies, how many sticks of butter do they need to buy?

What to pieces of information do you need to notify the equation of a line

Which rate is faster:a bird traveling at a constant rate of 2 kilometer per hour or an insect travelinf at a constant rate of 1,000 meters per hour

You can build a dog house in 6 hours. And you work 8 hours how long would it take you to build 10 dog house.