Is 3 (3x-y) and 9x-y equivalent expressions

Every minute, the first letter of each word is moved to the other end of the word. After how many minutes will the original sentence first reappear?

A total of 24 students are in alfred's class. the number of girls in the class is 3 more than twice the number of bullies write and solve a system of equations that can be used to find g the number of girls who are in a first class and be the number

In the equation Ax + By = C, A and B cannot both be zero. What if only A is zero? What if only B is zero? Explain.

Two brothers each purchase a new pair of hiking boots and two canteens. The hiking boots cost $34.00 each. The total of their purchase was $98.00. a. Define a variable: b. Write an equation: c. Solve:

0.471*6.379 rounded to the nearest tenth

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

You want to estimate the number of eighth-grade students in your school who find it relaxing to listen to music. You consider two samples.

5 80/100 in decimal form