At the movies a bag of popcorn costs $3.50 and a bottle of mineral water costs $2.75. if madeline has $18 and bought only 2 bottles of water, how many bags of popcorn can she buy at the most?

Which of the following expressions is equal to 2x^2+8

When y’all answer can y’all explain too !

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?