Product of 3 and six more than a number is equal to 30

A restaurant owner estimates that his restaurant will serve 430 customers the first week it is open. The actual number of customers the first week is 400. Find the percent error.

Hola si me pudiera alguien ayudar con estos problemas creo que no son muy difíciles ya que solo voy a 2 de ESO. He comprado 15 CD por 11,25$. Quanto me ha costado cada CD?

What is the circumference of a circle with a diameter of 3.4 cm? Use 3.14 for pi.

Sheila's character has been hit 41 times. To keep playing, she cannot suffer more than 286 hits. If her character suffers 10 hits per minute, how many more minutes can she play? Use inequality and x for variable.

42 students and 6 faculty members at Byrd Middle school chose to retake their school pics. these #'s represent 1/12 of the students and 1/6 of the fuculty. what is the combined # of students and faculty members

A. y=x^2 - 4x + 9 b. f (x) = x^2 + 8x c. y = x^2 + 5x - 2 use the idea of completing the square to write it in graphing form then state the vertex of each parabola

Diego can type 140 words in 4 minuets. At this rate, how long will it take him to type 385 words

While attending a college football game, you think you can guess the attendance within 10% of the actual value. If the announced attendance is 65,000, within what number of people would your guess have to be in order for you to support your claim?

Completely factor the polynomial. 9x 2 + 60x + 100

Wht are the next three terms in the sequence - 3 6 15 24