The cost of a ticket to an amusement park is $42.00 per person. for groups of up to8 people, the cost per ticket decreases by $3.00 for each person in the group. marco's ticket cost $30.00. write and solve an equation to find the number of people in marco's groupe.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato