Systems of equations 1. paco's tacos sold 280 food items from its mobile unit. only tacos ($2 each) and burritos ($3 each) were available. it took in $660 in sales. how many tacos and how many burritos did it sell? 2. penelope printing press promptly sold 5 cent pencils and 10 cent pens to the public. it sold 1000 writing utensils and took in $74.50 in sales. how many pens and how many pencils did they sell?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

What could explain what happened when the time was equal to 120 minutes

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